diff --git a/testsuites/unittest/xts/cmsis/BUILD.gn b/testsuites/unittest/xts/cmsis/BUILD.gn
index 7d8ab614..c5656b6f 100644
--- a/testsuites/unittest/xts/cmsis/BUILD.gn
+++ b/testsuites/unittest/xts/cmsis/BUILD.gn
@@ -34,6 +34,8 @@ static_library("cmsis_test") {
     "cmsis_msg_func_test.c",
     "cmsis_mutex_func_test.c",
     "cmsis_sem_func_test.c",
+    "cmsis_task_func_test.c",
+    "cmsis_task_pri_func_test.c",
     "cmsis_timer_func_test.c",
     "xts_cmsis.c",
   ]
diff --git a/testsuites/unittest/xts/cmsis/cmsis_task_func_test.c b/testsuites/unittest/xts/cmsis/cmsis_task_func_test.c
new file mode 100644
index 00000000..cfed5e6d
--- /dev/null
+++ b/testsuites/unittest/xts/cmsis/cmsis_task_func_test.c
@@ -0,0 +1,751 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xts_cmsis.h"
+
+UINT32 g_threadCount;
+UINT16 g_cmsisTestTaskCount;
+UINT16 g_getStackSizeExit;
+UINT16 g_threadCreateExit;
+UINT16 g_threadCreateExit1;
+UINT16 g_getNameExit;
+UINT16 g_getStackSpaceExit;
+osThreadId_t g_puwTaskID01;
+osThreadId_t g_puwTaskID02;
+osPriority_t g_threadPriority;
+
+LITE_TEST_SUIT(Cmsis, Cmsistask, CmsisTaskFuncTestSuite);
+
+static BOOL CmsisTaskFuncTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL CmsisTaskFuncTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+static void CmsisThreadCreatFunc(void const *argument)
+{
+    (void)argument;
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadCreat002Func001(void const *argument)
+{
+    (void)argument;
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_3, g_cmsisTestTaskCount);
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadCreat002Func002(void const *argument)
+{
+    (void)argument;
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_2, g_cmsisTestTaskCount);
+    osThreadExit();
+}
+
+static void CmsisThreadCreat003Func001(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, 0, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_3, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadCreat003Func002(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_2, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_4, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    osThreadExit();
+}
+
+static void CmsisThreadCreat004Func002(void const *argument)
+{
+    (void)argument;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_1, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    osThreadExit();
+}
+
+static void CmsisThreadCreat004Func001(void const *argument)
+{
+    (void)argument;
+    osThreadId_t osId;
+    osThreadAttr_t osAttr;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityAboveNormal1;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, 0, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreat004Func002, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL_VOID(osId, NULL, osId);
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_2, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void KeepRunByTick(UINT32 tick)
+{
+    UINT32 tickA = osKernelGetTickCount();
+    UINT32 runned = 0;
+    UINT32 tickB = 0;
+    while (runned < tick) {
+        tickB = osKernelGetTickCount();
+        if (tickB >= tickA) {
+            runned = tickB - tickA;
+        } else {
+            runned = tickB + (MAX_UINT32 - tickA);
+        }
+    }
+    return;
+}
+
+static void WaitThreadExit(osThreadId_t id, UINT16 const *exitFlag)
+{
+    osStatus_t status;
+    (void)osThreadSetPriority(id, PRIORITY_COUNT_MIN_1);
+    while (*exitFlag != TESTCOUNT_NUM_1) {
+        status = osDelay(DELAY_TICKS_10);
+        ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    }
+}
+
+static void CmsisThreadCreat005Func001(void const *argument)
+{
+    (void)argument;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_1, g_cmsisTestTaskCount);
+    while (g_cmsisTestTaskCount < TESTCOUNT_NUM_2) {
+        KeepRunByTick(DELAY_TICKS_10);
+    }
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_3, g_cmsisTestTaskCount);
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadGetIDFunc001(void const *argument)
+{
+    (void)argument;
+    g_puwTaskID01 = osThreadGetId();
+    ICUNIT_ASSERT_NOT_EQUAL_VOID(g_puwTaskID01, NULL, g_puwTaskID01);
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadGetNameFunc001(void const *argument)
+{
+    (void)argument;
+    osThreadAttr_t attr;
+    g_puwTaskID01 = osThreadGetId();
+    attr.name = osThreadGetName(g_puwTaskID01);
+    ICUNIT_ASSERT_STRING_EQUAL_VOID(attr.name, "testThreadGetName", attr.name);
+    g_getNameExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadGetStateFunc001(void const *argument)
+{
+    (void)argument;
+    osThreadState_t state = osThreadGetState(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(state, osThreadBlocked, state);
+
+    g_puwTaskID02 = osThreadGetId();
+    state = osThreadGetState(g_puwTaskID02);
+    ICUNIT_ASSERT_EQUAL_VOID(state, osThreadRunning, state);
+    g_threadCreateExit1 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadGetStateFunc002(void const *argument)
+{
+    (void)argument;
+    osThreadState_t state = osThreadGetState(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(state, osThreadReady, state);
+
+    g_puwTaskID02 = osThreadGetId();
+    state = osThreadGetState(g_puwTaskID02);
+    ICUNIT_ASSERT_EQUAL_VOID(state, osThreadRunning, state);
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadSuspendFunc001(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    g_puwTaskID01 = osThreadGetId();
+    status = osThreadSuspend(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadGetStackSizeFunc001(void const *argument)
+{
+    (void)argument;
+    osThreadAttr_t attr;
+    g_puwTaskID01 = osThreadGetId();
+    attr.stack_size = osThreadGetStackSize(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(attr.stack_size, TEST_TASK_STACK_SIZE, attr.stack_size);
+    g_getStackSizeExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadGetStackSpaceFunc001(void const *argument)
+{
+    (void)argument;
+    UINT32 uwCount;
+    g_puwTaskID01 =  osThreadGetId();
+    uwCount = osThreadGetStackSpace(g_puwTaskID01);
+    ICUNIT_ASSERT_WITHIN_EQUAL_VOID(uwCount, 0, INT_MAX, uwCount);
+    g_getStackSpaceExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadYieldFunc002(void const *argument)
+{
+    (void)argument;
+    osThreadState_t state = osThreadGetState(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(state, osThreadReady, state);
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_2, g_cmsisTestTaskCount);
+    g_threadCreateExit = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadYieldFunc001(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    osThreadId_t osId;
+    osThreadState_t state;
+    osThreadAttr_t osAttr;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = g_threadPriority;
+    g_threadCreateExit = 0;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_1, g_cmsisTestTaskCount);
+    g_puwTaskID01 = osThreadGetId();
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadYieldFunc002, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL_VOID(osId, NULL, osId);
+    state = osThreadGetState(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(state, osThreadRunning, state);
+    status = osThreadYield();
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_2, g_cmsisTestTaskCount);
+    g_threadCreateExit1 = TESTCOUNT_NUM_1;
+    WaitThreadExit(osId, &g_threadCreateExit);
+    osThreadExit();
+}
+
+static void CmsisThreadYieldFunc003(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    osThreadId_t osId;
+    osThreadState_t state;
+    osThreadAttr_t osAttr;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityNormal7;
+    g_puwTaskID01 =  osThreadGetId();
+    g_threadCreateExit = 0;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL_VOID(osId, NULL, osId);
+    state = osThreadGetState(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(state, osThreadRunning, state);
+    status = osThreadYield();
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    WaitThreadExit(osId, &g_threadCreateExit);
+    g_threadCreateExit1 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadResumeFunc002(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_2, g_cmsisTestTaskCount);
+    status = osThreadResume(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    osThreadExit();
+}
+
+static void CmsisThreadResumeFunc001(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    osThreadId_t osId;
+    osThreadAttr_t osAttr;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityAboveNormal;
+    g_puwTaskID01 = osThreadGetId();
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadResumeFunc002, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL_VOID(osId, NULL, osId);
+    status = osThreadSuspend(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_3, g_cmsisTestTaskCount);
+    g_threadCreateExit1 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadTerminateFunc001(void const *argument)
+{
+    (void)argument;
+    osStatus_t status;
+    g_puwTaskID01 = osThreadGetId();
+    status = osThreadTerminate(g_puwTaskID01);
+    ICUNIT_ASSERT_EQUAL_VOID(status, osOK, status);
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL_VOID(g_cmsisTestTaskCount, TESTCOUNT_NUM_1, g_cmsisTestTaskCount);
+    osThreadExit();
+}
+
+static void CmsisThreadGetCountFunc002(void const *argument)
+{
+    (void)argument;
+    UINT32 uwRet = osThreadGetCount();
+    ICUNIT_ASSERT_WITHIN_EQUAL_VOID(uwRet, 0, INT_MAX, uwRet);
+    osThreadExit();
+}
+
+static void CmsisThreadGetCountFunc001(void const *argument)
+{
+    (void)argument;
+    osThreadId_t osId;
+    osThreadAttr_t osAttr;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityAboveNormal;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadGetCountFunc002, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL_VOID(osId, NULL, osId);
+    g_threadCreateExit1 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadGetCountFunc003(void const *argument)
+{
+    (void)argument;
+    UINT32 uwRet = osThreadGetCount();
+    ICUNIT_ASSERT_EQUAL_VOID(uwRet, g_threadCount + 1, uwRet);
+    g_threadCreateExit1 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisOSKernelLockFunc002(void const *arg)
+{
+    (void)arg;
+    g_cmsisTestTaskCount++;
+    osThreadExit();
+}
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_0040
+ * @tc.name      : thread operation for creat fail with invalid parameter
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew001, Function | MediumTest | Level1)
+{
+    osThreadId_t osId;
+    osThreadAttr_t osAttr;
+    osStatus_t status;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityNormal;
+    g_threadCreateExit = 0;
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, NULL);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    osId = osThreadNew(NULL, NULL, NULL);
+    ICUNIT_ASSERT_EQUAL(osId, NULL, osId);
+    osId = osThreadNew(NULL, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(osId, NULL, osId);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    WaitThreadExit(osId, &g_threadCreateExit);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_0080
+ * @tc.name      : thread operation for creat success
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew002, Function | MediumTest | Level1)
+{
+    osThreadId_t osId;
+    osThreadAttr_t osAttr;
+    osStatus_t status;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityLow1;
+    g_cmsisTestTaskCount = 0;
+    g_threadCreateExit = 0;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreat002Func001, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    ICUNIT_ASSERT_EQUAL(g_cmsisTestTaskCount, 0, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    osAttr.priority = osPriorityAboveNormal;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreat002Func002, NULL, &osAttr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_EQUAL(g_cmsisTestTaskCount, TESTCOUNT_NUM_3, g_cmsisTestTaskCount);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    WaitThreadExit(osId, &g_threadCreateExit);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_0120
+ * @tc.name      : thread operation for delay scheduler
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew003, Function | MediumTest | Level1)
+{
+    osThreadId_t osId;
+    osStatus_t status;
+    osThreadAttr_t osAttr;
+    osThreadAttr_t osAttr1;
+    g_cmsisTestTaskCount = 0;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityAboveNormal;
+    g_threadCreateExit = 0;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreat003Func001, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    ICUNIT_ASSERT_EQUAL(g_cmsisTestTaskCount, TESTCOUNT_NUM_1, g_cmsisTestTaskCount);
+    g_cmsisTestTaskCount++;
+    osAttr1.name = "test1";
+    osAttr1.attr_bits = 0U;
+    osAttr1.cb_mem = NULL;
+    osAttr1.cb_size = 0U;
+    osAttr1.stack_mem = NULL;
+    osAttr1.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr1.priority = osPriorityAboveNormal;
+    status = osDelay(DELAY_TICKS_1);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreat003Func002, NULL, &osAttr1);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_EQUAL(g_cmsisTestTaskCount, TESTCOUNT_NUM_5, g_cmsisTestTaskCount);
+    WaitThreadExit(osId, &g_threadCreateExit);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_0160
+ * @tc.name      : thread operation for nesting schedule
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew004, Function | MediumTest | Level1)
+{
+    osThreadId_t osId;
+    osStatus_t status;
+    osThreadAttr_t osAttr;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    g_cmsisTestTaskCount = 0;
+    osAttr.priority = osPriorityAboveNormal;
+    g_threadCreateExit = 0;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreat004Func001, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    ICUNIT_ASSERT_EQUAL(g_cmsisTestTaskCount, TESTCOUNT_NUM_3, g_cmsisTestTaskCount);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    WaitThreadExit(osId, &g_threadCreateExit);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_0200
+ * @tc.name      : thread operation for cycle schdule
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew005, Function | MediumTest | Level1)
+{
+    osThreadId_t osId;
+    osStatus_t status;
+    osThreadAttr_t osAttr;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityLow1;
+    g_cmsisTestTaskCount = 0;
+    g_cmsisTestTaskCount++;
+    g_threadCreateExit = 0;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreat005Func001, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    status = osDelay(DELAY_TICKS_1);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    g_cmsisTestTaskCount++;
+    ICUNIT_ASSERT_EQUAL(g_cmsisTestTaskCount, TESTCOUNT_NUM_2, g_cmsisTestTaskCount);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    while (g_cmsisTestTaskCount != TESTCOUNT_NUM_3) {
+        KeepRunByTick(DELAY_TICKS_10);
+    }
+    WaitThreadExit(osId, &g_threadCreateExit);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_0240
+ * @tc.name      : thread operation for creat fail when priority = osPriorityNone
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew006, Function | MediumTest | Level1)
+{
+    osThreadAttr_t osAttr;
+    osThreadId_t id;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityNone;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityIdle;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = PRIORITY_COUNT_NOT_MIN;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityAboveNormal2;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityHigh;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityHigh7;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityRealtime;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityRealtime7;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityISR;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityError;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityReserved;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(id, NULL, id);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_0360
+ * @tc.name      : thread operation for creat success when priority = osPriorityLow1
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew007, Function | MediumTest | Level1)
+{
+    osThreadAttr_t osAttr;
+    osThreadId_t id;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityLow1;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityLow7;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityBelowNormal;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityBelowNormal7;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityNormal;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityNormal7;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityAboveNormal;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    osAttr.priority = osPriorityAboveNormal1;
+    g_threadCreateExit = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, &osAttr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_1000
+ * @tc.name      : thread creat operation with func = NULL
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew008, Function | MediumTest | Level1)
+{
+    osThreadAttr_t osAttr;
+    osThreadId_t osId;
+    osAttr.name = "test";
+    osAttr.attr_bits = 0U;
+    osAttr.cb_mem = NULL;
+    osAttr.cb_size = 0U;
+    osAttr.stack_mem = NULL;
+    osAttr.stack_size = TEST_TASK_STACK_SIZE;
+    osAttr.priority = osPriorityNormal;
+    osId = osThreadNew(NULL, NULL, &osAttr);
+    ICUNIT_ASSERT_EQUAL(osId, NULL, osId);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_1040
+ * @tc.name      : thread creat operation with attr = NULL
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskFuncTestSuite, testOsThreadNew009, Function | MediumTest | Level1)
+{
+    osThreadId_t osId;
+    g_threadCreateExit = 0;
+    osId = osThreadNew((osThreadFunc_t)CmsisThreadCreatFunc, NULL, NULL);
+    ICUNIT_ASSERT_NOT_EQUAL(osId, NULL, osId);
+    WaitThreadExit(osId, &g_threadCreateExit);
+    return 0;
+};
+
+RUN_TEST_SUITE(CmsisTaskFuncTestSuite);
+
+void CmsisTaskFuncTest(void)
+{
+    RUN_ONE_TESTCASE(testOsThreadNew001);
+    RUN_ONE_TESTCASE(testOsThreadNew002);
+    RUN_ONE_TESTCASE(testOsThreadNew003);
+    RUN_ONE_TESTCASE(testOsThreadNew004);
+    RUN_ONE_TESTCASE(testOsThreadNew005);
+    RUN_ONE_TESTCASE(testOsThreadNew006);
+    RUN_ONE_TESTCASE(testOsThreadNew007);
+    RUN_ONE_TESTCASE(testOsThreadNew008);
+    RUN_ONE_TESTCASE(testOsThreadNew009);
+}
\ No newline at end of file
diff --git a/testsuites/unittest/xts/cmsis/cmsis_task_pri_func_test.c b/testsuites/unittest/xts/cmsis/cmsis_task_pri_func_test.c
new file mode 100644
index 00000000..b39a9208
--- /dev/null
+++ b/testsuites/unittest/xts/cmsis/cmsis_task_pri_func_test.c
@@ -0,0 +1,1121 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xts_cmsis.h"
+
+osThreadId_t g_priTaskID01;
+osPriority_t g_setPriority;
+UINT16 g_threadCreateExit2;
+UINT16 g_threadCreateExit3;
+
+LITE_TEST_SUIT(Cmsis, Cmsistask, CmsisTaskPriFuncTestSuite);
+
+static BOOL CmsisTaskPriFuncTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL CmsisTaskPriFuncTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+static void WaitThreadExit(osThreadId_t id, UINT16 const *exitFlag)
+{
+    osStatus_t status;
+    (void)osThreadSetPriority(id, PRIORITY_COUNT_MIN_1);
+    while (*exitFlag != TESTCOUNT_NUM_1) {
+        status = osDelay(DELAY_TICKS_5);
+        ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    }
+}
+static void CmsisThreadGetPriorityFunc001(void const *argument)
+{
+    (void)argument;
+    osThreadAttr_t attr;
+    
+    g_priTaskID01 = osThreadGetId();
+    attr.priority = osThreadGetPriority(g_priTaskID01);
+    ICUNIT_ASSERT_EQUAL(attr.priority, g_setPriority, attr.priority);
+    g_threadCreateExit2 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadSetPriorityFunc001(void const *argument)
+{
+    (void)argument;
+    osThreadAttr_t attr;
+    UINT32 uwRet;
+    g_priTaskID01 = osThreadGetId();
+    uwRet = osThreadSetPriority(g_priTaskID01, g_setPriority);
+    ICUNIT_ASSERT_EQUAL(uwRet, osOK, uwRet);
+    attr.priority = osThreadGetPriority(g_priTaskID01);
+    ICUNIT_ASSERT_EQUAL(attr.priority, g_setPriority, attr.priority);
+    g_threadCreateExit2 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+static void CmsisThreadSetPriorityFunc002(void const *argument)
+{
+    (void)argument;
+    UINT32 uwRet;
+    g_priTaskID01 = osThreadGetId();
+    uwRet = osThreadSetPriority(g_priTaskID01, g_setPriority);
+    ICUNIT_ASSERT_EQUAL(uwRet, osErrorParameter, uwRet);
+    g_threadCreateExit2 = TESTCOUNT_NUM_1;
+    osThreadExit();
+}
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5120
+ * @tc.name      : thread operation for get priority when Priority = osPriorityLow1
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority001, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityLow1;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5160
+ * @tc.name      : thread operation for get priority input exception
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority002, Function | MediumTest | Level1)
+{
+    UINT32 uwRet = osThreadGetPriority(NULL);
+    ICUNIT_ASSERT_EQUAL(uwRet, osPriorityError, uwRet);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5200
+ * @tc.name      : thread operation for get current priority
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority003, Function | MediumTest | Level1)
+{
+    UINT32 uwRet;
+    g_priTaskID01 = osThreadGetId();
+    uwRet = osThreadGetPriority(g_priTaskID01);
+    ICUNIT_ASSERT_EQUAL(uwRet, osPriorityLow1, uwRet);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5240
+ * @tc.name      : thread operation for get priority when Priority = osPriorityLow7
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority004, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityLow7;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5280
+ * @tc.name      : thread operation for get priority when Priority = osPriorityBelowNormal
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority005, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityBelowNormal;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5320
+ * @tc.name      : thread operation for get priority when Priority = osPriorityBelowNormal7
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority006, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityBelowNormal7;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5360
+ * @tc.name      : thread operation for get priority when Priority = osPriorityNormal
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority007, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityNormal;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5400
+ * @tc.name      : thread operation for get priority when Priority = osPriorityNormal7
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority008, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityNormal7;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5440
+ * @tc.name      : thread operation for get priority when Priority = osPriorityAboveNormal
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority009, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityAboveNormal;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5480
+ * @tc.name      : thread operation for get priority when Priority = osPriorityAboveNormal1
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadGetPriority010, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osThreadAttr_t attr;
+    g_setPriority = osPriorityAboveNormal1;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = g_setPriority;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadGetPriorityFunc001, NULL, &attr);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5520
+ * @tc.name      : thread operation for set priority input1 exception
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority001, Function | MediumTest | Level1)
+{
+    UINT32 uwRet = osThreadSetPriority(NULL, osPriorityNormal);
+    ICUNIT_ASSERT_EQUAL(uwRet, osErrorParameter, uwRet);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5560
+ * @tc.name      : thread operation for set priority input2 exception
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority002, Function | MediumTest | Level1)
+{
+    UINT32 uwRet;
+    g_priTaskID01 =  osThreadGetId();
+    uwRet = osThreadSetPriority(g_priTaskID01, osPriorityNone);
+    ICUNIT_ASSERT_EQUAL(uwRet, osErrorParameter, uwRet);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5600
+ * @tc.name      : set invalid priority when curPriority = osPriorityLow1 and setPriority = osPriorityNone
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority003, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityLow1;
+
+    g_setPriority = osPriorityNone;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityIdle;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = PRIORITY_COUNT_NOT_MIN;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    
+    g_setPriority = osPriorityAboveNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityHigh;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityHigh7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5720
+ * @tc.name      : set priority when curPriority = osPriorityLow1
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority004, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = PRIORITY_COUNT_MIN_1;
+    g_setPriority = PRIORITY_COUNT_MIN_1;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+
+    g_setPriority = osPriorityLow7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+
+    g_setPriority = osPriorityBelowNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityBelowNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_5720
+ * @tc.name      : set priority when curPriority = osPriorityLow1
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority016, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = PRIORITY_COUNT_MIN_1;
+
+    g_setPriority = osPriorityNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityAboveNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityAboveNormal1;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_6040
+ * @tc.name      : set invalid priority when curPriority = osPriorityLow1 and setPriority = osPriorityAboveNormal7
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority005, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityLow1;
+    
+    g_setPriority = osPriorityRealtime;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityRealtime7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityISR;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityError;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityReserved;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_6360
+ * @tc.name      : set invalid priority when curPriority = osPriorityNormal and setPriority = osPriorityNone
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority006, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityNormal;
+    g_setPriority = osPriorityNone;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityIdle;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = PRIORITY_COUNT_NOT_MIN;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_6480
+ * @tc.name      : set priority when curPriority = osPriorityNormal and setPriority = osPriorityLow1
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority007, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityNormal;
+    g_setPriority = osPriorityLow1;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityLow7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityBelowNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityBelowNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_6680
+ * @tc.name      : set priority when curPriority = osPriorityNormal and setPriority = osPriorityNormal7
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority008, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityNormal;
+    g_setPriority = osPriorityNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityAboveNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityAboveNormal1;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_6800
+ * @tc.name      : set invalid priority when curPriority = osPriorityNormal and setPriority = osPriorityAboveNormal2
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority009, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityNormal;
+    g_setPriority = osPriorityAboveNormal2;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityHigh;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityHigh7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityRealtime;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityRealtime7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityISR;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7040
+ * @tc.name      : set invalid priority when curPriority = osPriorityNormal and setPriority = osPriorityError
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority010, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityNormal;
+    g_setPriority = osPriorityError;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityReserved;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7120
+ * @tc.name      : set invalid priority when curPriority = osPriorityAboveNormal1 and setPriority = osPriorityNone
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority011, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityAboveNormal1;
+    g_setPriority = osPriorityNone;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityIdle;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = PRIORITY_COUNT_NOT_MIN;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7240
+ * @tc.name      : set priority when curPriority = osPriorityAboveNormal1 and setPriority = osPriorityLow1
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority012, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityAboveNormal1;
+    g_setPriority = osPriorityLow1;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityLow7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityBelowNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityBelowNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7480
+ * @tc.name      : set priority when curPriority = osPriorityAboveNormal1 and setPriority = osPriorityAboveNormal
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority013, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityAboveNormal1;
+    g_setPriority = osPriorityAboveNormal;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityAboveNormal1;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc001, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7560
+ * @tc.name      : set invalid priority when curPriority = PriorityAboveNormal6 and setPriority = PriorityAboveNormal7
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority014, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityAboveNormal1;
+    g_setPriority = osPriorityAboveNormal7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityHigh;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityHigh7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityRealtime;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityRealtime7;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7760
+ * @tc.name      : set invalid priority when curPriority = osPriorityAboveNormal1 and setPriority = osPriorityISR
+ * @tc.desc      : [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsThreadSetPriority015, Function | MediumTest | Level1)
+{
+    osThreadId_t id;
+    osStatus_t status;
+    osThreadAttr_t attr;
+    attr.name = "test";
+    attr.attr_bits = 0U;
+    attr.cb_mem = NULL;
+    attr.cb_size = 0U;
+    attr.stack_mem = NULL;
+    attr.stack_size = TEST_TASK_STACK_SIZE;
+    attr.priority = osPriorityAboveNormal1;
+    g_setPriority = osPriorityISR;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityError;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+
+    g_setPriority = osPriorityReserved;
+    g_threadCreateExit2 = 0;
+    id = osThreadNew((osThreadFunc_t)CmsisThreadSetPriorityFunc002, NULL, &attr);
+    status = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(status, osOK, status);
+    ICUNIT_ASSERT_NOT_EQUAL(id, NULL, id);
+    WaitThreadExit(id, &g_threadCreateExit2);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7880
+ * @tc.name      : delay operation for 5 ticks
+ * @tc.desc      : [C- SOFTWARE -0200]
+
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsDelay, Function | MediumTest | Level1)
+{
+    UINT32 uwRet = osDelay(DELAY_TICKS_5);
+    ICUNIT_ASSERT_EQUAL(uwRet, osOK, uwRet);
+    uwRet = osDelay(0);
+    ICUNIT_ASSERT_EQUAL(uwRet, osErrorParameter, uwRet);
+    return 0;
+};
+
+/**
+ * @tc.number    : SUB_KERNEL_CMSIS_TASK_OPERATION_7960
+ * @tc.name      : delay until operation
+ * @tc.desc      : [C- SOFTWARE -0200]
+
+ */
+LITE_TEST_CASE(CmsisTaskPriFuncTestSuite, testOsDelayUntil, Function | MediumTest | Level1)
+{
+    UINT32 uwRet;
+    UINT32 uwTickCnt;
+    UINT32 uwUntilTickCnt;
+    uwTickCnt = osKernelGetTickCount();
+    uwUntilTickCnt = uwTickCnt + DELAY_TICKS_5;
+    uwRet = osDelayUntil(uwUntilTickCnt);
+    ICUNIT_ASSERT_EQUAL(uwRet, osOK, uwRet);
+
+    uwRet = osDelayUntil(DELAY_TICKS_1);
+    ICUNIT_ASSERT_EQUAL(uwRet, osError, uwRet);
+
+    uwTickCnt = osKernelGetTickCount();
+    uwUntilTickCnt = uwTickCnt - DELAY_TICKS_5;
+    uwRet = osDelayUntil(uwUntilTickCnt);
+    ICUNIT_ASSERT_EQUAL(uwRet, osError, uwRet);
+    return 0;
+};
+
+RUN_TEST_SUITE(CmsisTaskPriFuncTestSuite);
+
+void CmsisTaskPriFuncTest(void)
+{
+    RUN_ONE_TESTCASE(testOsThreadGetPriority001);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority002);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority003);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority004);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority005);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority006);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority007);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority008);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority009);
+    RUN_ONE_TESTCASE(testOsThreadGetPriority010);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority001);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority002);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority003);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority004);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority005);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority006);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority007);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority008);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority009);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority010);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority011);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority012);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority013);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority014);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority015);
+    RUN_ONE_TESTCASE(testOsThreadSetPriority016);
+    RUN_ONE_TESTCASE(testOsDelay);
+    RUN_ONE_TESTCASE(testOsDelayUntil);
+}
\ No newline at end of file
diff --git a/testsuites/unittest/xts/cmsis/xts_cmsis.c b/testsuites/unittest/xts/cmsis/xts_cmsis.c
index c2796c1b..56b6f0d5 100644
--- a/testsuites/unittest/xts/cmsis/xts_cmsis.c
+++ b/testsuites/unittest/xts/cmsis/xts_cmsis.c
@@ -36,5 +36,7 @@ void CmsisFuncTest(void)
     CmsisMsgFuncTest();
     CmsisMutexFuncTest();
     CmsisSemFuncTest();
+    CmsisTaskFuncTest();
+    CmsisTaskPriFuncTest();
     CmsisTimerFuncTest();
 }
\ No newline at end of file
diff --git a/testsuites/unittest/xts/cmsis/xts_cmsis.h b/testsuites/unittest/xts/cmsis/xts_cmsis.h
index ec82fa9b..09970cb1 100644
--- a/testsuites/unittest/xts/cmsis/xts_cmsis.h
+++ b/testsuites/unittest/xts/cmsis/xts_cmsis.h
@@ -78,4 +78,12 @@
 #define DELAY_TICKS_5 5
 #define DELAY_TICKS_10 10
 
+#define PRIORITY_COUNT_NOT_MIN  3
+#define PRIORITY_COUNT_MIN_1    4
+#define PRIORITY_COUNT_MIN_2    5
+#define PRIORITY_COUNT_MIN_3    6
+#define PRIORITY_COUNT_MIN_4    7
+#define MAX_UINT32 0xFFFFFFFF
+#define ALIVE_INFO_DIS 10000
+
 #endif
\ No newline at end of file