diff --git a/kernel/include/los_config.h b/kernel/include/los_config.h
index 04dca546..c5cd8616 100644
--- a/kernel/include/los_config.h
+++ b/kernel/include/los_config.h
@@ -233,6 +233,14 @@ extern "C" {
 #define LOSCFG_BASE_CORE_EXC_TSK_SWITCH                     0
 #endif
 
+/*
+ * @ingroup los_config
+ * Configuration item for task context switch hook
+ */
+#ifndef LOSCFG_BASE_CORE_TSK_SWITCH_HOOK
+#define LOSCFG_BASE_CORE_TSK_SWITCH_HOOK()
+#endif
+
 /**
  * @ingroup los_config
  * Define a usable task priority.Highest task priority.
diff --git a/kernel/include/los_task.h b/kernel/include/los_task.h
index 15cb28c6..7cc5a811 100644
--- a/kernel/include/los_task.h
+++ b/kernel/include/los_task.h
@@ -371,20 +371,6 @@ extern "C" {
 
 #define LOS_ERRNO_TSK_TIMEOUT                       LOS_ERRNO_OS_ERROR(LOS_MOD_TSK, 0x23)
 
-/**
- * @ingroup los_task
- * Define the type of the task switching hook function.
- *
- */
-typedef VOID (*TSKSWITCHHOOK)(VOID);
-
-/**
- * @ingroup los_task
- * User task switching hook function.
- *
- */
-extern TSKSWITCHHOOK g_pfnUsrTskSwitchHook;
-
 /**
  * @ingroup los_task
  * Define the type of the task entry function.
diff --git a/kernel/src/los_task.c b/kernel/src/los_task.c
index cc9b260f..9713d4ac 100644
--- a/kernel/src/los_task.c
+++ b/kernel/src/los_task.c
@@ -103,10 +103,6 @@ LITE_OS_SEC_BSS  BOOL                                g_taskScheduled = FALSE;
 
 STATIC VOID (*PmEnter)(BOOL isIdle) = NULL;
 
-#if (LOSCFG_BASE_CORE_TSK_MONITOR == 1)
-TSKSWITCHHOOK g_pfnUsrTskSwitchHook = NULL;
-#endif /* LOSCFG_BASE_CORE_TSK_MONITOR == 1 */
-
 #if (LOSCFG_BASE_CORE_EXC_TSK_SWITCH == 1)
 TaskSwitchInfo g_taskSwitchInfo;
 #endif
@@ -577,9 +573,7 @@ LITE_OS_SEC_TEXT VOID OsTaskSwitchCheck(VOID)
     }
 #endif
 
-    if (g_pfnUsrTskSwitchHook != NULL) {
-        g_pfnUsrTskSwitchHook();
-    }
+    LOSCFG_BASE_CORE_TSK_SWITCH_HOOK();
 
 #if (LOSCFG_BASE_CORE_CPUP == 1)
     OsTskCycleEndStart();
@@ -594,7 +588,6 @@ LITE_OS_SEC_TEXT_MINOR VOID OsTaskMonInit(VOID)
     (VOID)memset_s(&g_taskSwitchInfo, sizeof(TaskSwitchInfo), 0, sizeof(TaskSwitchInfo));
     g_taskSwitchInfo.cntInfo.maxCnt = OS_TASK_SWITCH_INFO_COUNT;
 #endif
-    g_pfnUsrTskSwitchHook = NULL;
     return;
 }
 #endif