diff --git a/testsuites/sample/posix/BUILD.gn b/testsuites/sample/posix/BUILD.gn
index c1b3c7c7..b92fffc1 100644
--- a/testsuites/sample/posix/BUILD.gn
+++ b/testsuites/sample/posix/BUILD.gn
@@ -38,6 +38,17 @@ static_library("test_posix") {
     "mutex/It_posix_mutex_007.c",
     "mutex/It_posix_mutex_008.c",
     "mutex/It_posix_mutex_009.c",
+    "mutex/It_posix_mutex_010.c",
+    "mutex/It_posix_mutex_011.c",
+    "mutex/It_posix_mutex_012.c",
+    "mutex/It_posix_mutex_013.c",
+    "mutex/It_posix_mutex_014.c",
+    "mutex/It_posix_mutex_015.c",
+    "mutex/It_posix_mutex_016.c",
+    "mutex/It_posix_mutex_017.c",
+    "mutex/It_posix_mutex_018.c",
+    "mutex/It_posix_mutex_019.c",
+    "mutex/It_posix_mutex_020.c",
     "pthread/It_posix_pthread.c",
     "pthread/It_posix_pthread_001.c",
     "pthread/It_posix_pthread_002.c",
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex.c b/testsuites/sample/posix/mutex/It_posix_mutex.c
index fe1ea09c..7d705eb0 100644
--- a/testsuites/sample/posix/mutex/It_posix_mutex.c
+++ b/testsuites/sample/posix/mutex/It_posix_mutex.c
@@ -88,4 +88,15 @@ VOID ItSuitePosixMutex(void)
     ItPosixMux007();
     ItPosixMux008();
     ItPosixMux009();
+    ItPosixMux010();
+    ItPosixMux011();
+    ItPosixMux012();
+    ItPosixMux013();
+    ItPosixMux014();
+    ItPosixMux015();
+    ItPosixMux016();
+    ItPosixMux017();
+    ItPosixMux018();
+    ItPosixMux019();
+    ItPosixMux020();
 }
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex.h b/testsuites/sample/posix/mutex/It_posix_mutex.h
index 362ad623..e74ad7ea 100644
--- a/testsuites/sample/posix/mutex/It_posix_mutex.h
+++ b/testsuites/sample/posix/mutex/It_posix_mutex.h
@@ -69,6 +69,17 @@ VOID ItPosixMux006(void);
 VOID ItPosixMux007(void);
 VOID ItPosixMux008(void);
 VOID ItPosixMux009(void);
+VOID ItPosixMux010(void);
+VOID ItPosixMux011(void);
+VOID ItPosixMux012(void);
+VOID ItPosixMux013(void);
+VOID ItPosixMux014(void);
+VOID ItPosixMux015(void);
+VOID ItPosixMux016(void);
+VOID ItPosixMux017(void);
+VOID ItPosixMux018(void);
+VOID ItPosixMux019(void);
+VOID ItPosixMux020(void);
 
 VOID ItSuitePosixMutex(void);
 
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_010.c b/testsuites/sample/posix/mutex/It_posix_mutex_010.c
new file mode 100644
index 00000000..7c574693
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_010.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+static UINT32 Testcase(VOID)
+{
+    pthread_mutexattr_t mta;
+    pthread_mutex_t mutex = TEST_MUTEX_INIT;
+    int rc;
+
+    /* Initialize a mutex attributes object */
+    rc = pthread_mutexattr_init(&mta);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Initialize a mutex object with the default mutex attributes */
+    rc = pthread_mutex_init(&mutex, &mta);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT1);
+
+    rc = pthread_mutexattr_destroy(&mta);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT2);
+
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT2);
+
+    return LOS_OK;
+
+EXIT2:
+    pthread_mutex_destroy(&mutex);
+
+EXIT1:
+    pthread_mutexattr_destroy(&mta);
+
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux010
+ * @tc.desc: Test interface pthread_mutexattr_destroy
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux010(void)
+{
+    TEST_ADD_CASE("ItPosixMux010", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_011.c b/testsuites/sample/posix/mutex/It_posix_mutex_011.c
new file mode 100644
index 00000000..2865ce9b
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_011.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+static UINT32 Testcase(VOID)
+{
+    int ret;
+    pthread_mutexattr_t mta;
+    pthread_mutex_t mutex = TEST_MUTEX_INIT;
+
+    ret = pthread_mutexattr_init(&mta);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_init(&mutex, &mta);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_destroy(&mutex);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    (void)pthread_mutexattr_destroy(&mta);
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux011
+ * @tc.desc: Test interface pthread_mutexattr_init
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux011(void)
+{
+    TEST_ADD_CASE("ItPosixMux011", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_012.c b/testsuites/sample/posix/mutex/It_posix_mutex_012.c
new file mode 100644
index 00000000..d0f2b771
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_012.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+static UINT32 Testcase(VOID)
+{
+    pthread_mutex_t mutex = TEST_MUTEX_INIT;
+    int rc;
+
+    /* Initialize a mutex attributes object */
+    rc = pthread_mutex_init(&mutex, NULL);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Destroy the mutex attributes object */
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Initialize the mutex attributes object again.  This shouldn't result in an error. */
+    rc = pthread_mutex_init(&mutex, NULL);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux012
+ * @tc.desc: Test interface pthread_mutex_init
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux012(void)
+{
+    TEST_ADD_CASE("ItPosixMux012", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_013.c b/testsuites/sample/posix/mutex/It_posix_mutex_013.c
new file mode 100644
index 00000000..38329c93
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_013.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+struct _scenar_028 {
+    int m_type;    /* Mutex type to use */
+    int m_pshared; /* 0: mutex is process-private (default) ~ !0: mutex is process-shared, if supported */
+    char *descr;   /* Case description */
+};
+
+struct _scenar_028  g_scenarii028[] = {
+    {PTHREAD_MUTEX_DEFAULT, 0, "Default mutex"},
+    {PTHREAD_MUTEX_NORMAL, 0, "Normal mutex"},
+    {PTHREAD_MUTEX_ERRORCHECK, 0, "Errorcheck mutex"},
+    {PTHREAD_MUTEX_RECURSIVE, 0, "Recursive mutex"},
+    {PTHREAD_MUTEX_DEFAULT, 1, "Pshared mutex"},
+    {PTHREAD_MUTEX_NORMAL, 1, "Pshared Normal mutex"},
+    {PTHREAD_MUTEX_ERRORCHECK, 1, "Pshared Errorcheck mutex"},
+    {PTHREAD_MUTEX_RECURSIVE, 1, "Pshared Recursive mutex"}
+};
+
+#define NSCENAR (sizeof(g_scenarii028) / sizeof(g_scenarii028[0]))
+
+static UINT32 Testcase(VOID)
+{
+    int ret;
+    int i, j;
+    pthread_mutex_t mtx;
+    pthread_mutexattr_t ma[NSCENAR + 1];
+    pthread_mutexattr_t *pma[NSCENAR + 2]; // 2, The loop frequency.
+
+    for (i = 0; i < NSCENAR; i++) {
+        ret = pthread_mutexattr_init(&ma[i]);
+        ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    }
+
+    ret = pthread_mutexattr_init(&ma[i]);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    for (i = 0; i < NSCENAR + 2; i++) { // 2, The loop frequency.
+        pma[i] = NULL;
+    }
+
+    for (i = 0; i < NSCENAR + 2; i++) { // 2, The loop frequency.
+        for (j = 0; j < NSCENAR + 2; j++) { // 2, The loop frequency.
+            ret = pthread_mutex_init(&mtx, pma[i]);
+            ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+            ret = pthread_mutex_destroy(&mtx);
+            ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+            ret = pthread_mutex_init(&mtx, pma[j]);
+            ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+            ret = pthread_mutex_destroy(&mtx);
+            ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+        }
+    }
+    for (i = 0; i < NSCENAR + 1; i++) {
+        ret = pthread_mutexattr_destroy(&ma[i]);
+        ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    }
+
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux013
+ * @tc.desc: Test interface pthread_mutexattr_init
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux013(void)
+{
+    TEST_ADD_CASE("ItPosixMux013", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_014.c b/testsuites/sample/posix/mutex/It_posix_mutex_014.c
new file mode 100644
index 00000000..f4841f82
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_014.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+static UINT32 Testcase(VOID)
+{
+    pthread_mutex_t mutex = TEST_MUTEX_INIT;
+    int rc;
+
+    /* Initialize a mutex object */
+    rc = pthread_mutex_init(&mutex, NULL);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT);
+
+    return LOS_OK;
+
+EXIT:
+    pthread_mutex_destroy(&mutex);
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux014
+ * @tc.desc: Test interface pthread_mutex_destroy
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux014(void)
+{
+    TEST_ADD_CASE("ItPosixMux014", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_015.c b/testsuites/sample/posix/mutex/It_posix_mutex_015.c
new file mode 100644
index 00000000..a89e3982
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_015.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+/* pthread_mutex_destroy 4-2.c
+ * Test that when a pthread_mutex_destroy is called on a
+ *  locked mutex, it fails and returns EBUSY
+
+ * Steps:
+ * 1. Create a mutex
+ * 2. Lock the mutex
+ * 3. Try to destroy the mutex
+ * 4. Check that this may fail with EBUSY
+ */
+
+static UINT32 Testcase(VOID)
+{
+    pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+    int rc;
+
+    /* Lock the mutex */
+    rc = pthread_mutex_lock(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Try to destroy the locked mutex */
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, EBUSY, rc, EXIT);
+
+    rc = pthread_mutex_unlock(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    return LOS_OK;
+
+EXIT:
+    return LOS_NOK;
+}
+
+/**
+ * @tc.name: ItPosixMux015
+ * @tc.desc: Test interface pthread_mutex_lock
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux015(void)
+{
+    TEST_ADD_CASE("ItPosixMux015", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_016.c b/testsuites/sample/posix/mutex/It_posix_mutex_016.c
new file mode 100644
index 00000000..eca15524
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_016.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+/* pthread_mutex_destroy 5-1.c
+ * Test that pthread_mutex_destroy()
+ * It shall be safe to destroy an initialized mutex that is unlocked.
+ */
+
+static UINT32 Testcase(VOID)
+{
+    int rc;
+    pthread_mutex_t mutex = TEST_MUTEX_INIT;
+
+    /* Initialize mutex with the default mutex attributes */
+    rc = pthread_mutex_init(&mutex, NULL);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Lock mutex */
+    rc = pthread_mutex_lock(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT);
+
+    sleep(1);
+    /* Unlock */
+    rc = pthread_mutex_unlock(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT1);
+
+    /* Destroy mutex after it is unlocked */
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT);
+
+    return LOS_OK;
+
+EXIT1:
+    pthread_mutex_unlock(&mutex);
+
+EXIT:
+    pthread_mutex_destroy(&mutex);
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux016
+ * @tc.desc: Test interface pthread_mutex_unlock
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux016(void)
+{
+    TEST_ADD_CASE("ItPosixMux016", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_017.c b/testsuites/sample/posix/mutex/It_posix_mutex_017.c
new file mode 100644
index 00000000..aa626262
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_017.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+static UINT32 Testcase(VOID)
+{
+    int ret;
+    pthread_mutexattr_t mta;
+    pthread_mutex_t mutex = TEST_MUTEX_INIT;
+
+    sem_t sem;
+    int pshared;
+
+    ret = pthread_mutexattr_init(&mta);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_init(&mutex, &mta);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = sem_init(&sem, pshared, 2); // 2, The initial number of available semaphores.
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = sem_wait(&sem);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_lock(&mutex);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_unlock(&mutex);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_lock(&mutex);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = sem_wait(&sem);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = sem_post(&sem);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = sem_wait(&sem);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_unlock(&mutex);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = sem_destroy(&sem);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_destroy(&mutex);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    (void)pthread_mutexattr_destroy(&mta);
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux017
+ * @tc.desc: Test interface sem_wait
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux017(void)
+{
+    TEST_ADD_CASE("ItPosixMux017", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_018.c b/testsuites/sample/posix/mutex/It_posix_mutex_018.c
new file mode 100644
index 00000000..05331844
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_018.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+static UINT32 Testcase(VOID)
+{
+    pthread_mutex_t mutex;
+    int rc;
+
+    /* Initialize a mutex object with the default mutex attributes */
+    rc = pthread_mutex_init(&mutex, NULL);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Lock the mutex using pthread_mutex_lock() */
+    rc = pthread_mutex_lock(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT1);
+
+    rc = pthread_mutex_unlock(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT2);
+
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT1);
+
+    return LOS_OK;
+
+EXIT2:
+    pthread_mutex_unlock(&mutex);
+EXIT1:
+    pthread_mutex_destroy(&mutex);
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux018
+ * @tc.desc: Test interface pthread_mutex_lock
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux018(void)
+{
+    TEST_ADD_CASE("ItPosixMux018", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_019.c b/testsuites/sample/posix/mutex/It_posix_mutex_019.c
new file mode 100644
index 00000000..df02b971
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_019.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+static UINT32 Testcase(VOID)
+{
+    UINT32 ret;
+    pthread_mutex_t mutex = TEST_MUTEX_INIT;
+
+    ret = pthread_mutex_init(NULL, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, EINVAL, ret);
+
+    ret = pthread_mutex_init(&mutex, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = pthread_mutex_destroy(&mutex);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux019
+ * @tc.desc: Test interface pthread_mutex_init
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux019(void)
+{
+    TEST_ADD_CASE("ItPosixMux019", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}
diff --git a/testsuites/sample/posix/mutex/It_posix_mutex_020.c b/testsuites/sample/posix/mutex/It_posix_mutex_020.c
new file mode 100644
index 00000000..35994bb7
--- /dev/null
+++ b/testsuites/sample/posix/mutex/It_posix_mutex_020.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2022 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 "It_posix_mutex.h"
+
+/* pthread_mutex_unlock 1-1.c
+ * Test that pthread_mutex_unlock()
+ *   shall release the mutex object 'mutex'.
+
+ * Steps:
+ *   -- initialize a mutex object
+ *   -- Get the mutex using pthread_mutex_lock()
+ *   -- Release the mutex using pthread_mutex_unlock()
+ *   -- Try to get the mutex using pthread_mutex_trylock()
+ *   -- Release the mutex using pthread_mutex_unlock()
+ *
+ */
+
+static UINT32 Testcase(VOID)
+{
+    int rc;
+    pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+    /* Get the mutex using pthread_mutex_lock() */
+    rc = pthread_mutex_lock(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Release the mutex using pthread_mutex_unlock() */
+    rc = pthread_mutex_unlock(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Get the mutex using pthread_mutex_trylock() */
+    rc = pthread_mutex_trylock(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    /* Release the mutex using pthread_mutex_unlock() */
+    rc = pthread_mutex_unlock(&mutex);
+    ICUNIT_ASSERT_EQUAL(rc, 0, rc);
+
+    rc = pthread_mutex_destroy(&mutex);
+    ICUNIT_GOTO_EQUAL(rc, 0, rc, EXIT);
+
+    return LOS_OK;
+
+EXIT:
+    pthread_mutex_destroy(&mutex);
+    return LOS_OK;
+}
+
+/**
+ * @tc.name: ItPosixMux020
+ * @tc.desc: Test interface pthread_mutex_trylock
+ * @tc.type: FUNC
+ * @tc.require: issueI5WZI6
+ */
+
+VOID ItPosixMux020(void)
+{
+    TEST_ADD_CASE("ItPosixMux020", Testcase, TEST_POSIX, TEST_MUX, TEST_LEVEL2, TEST_FUNCTION);
+}