diff --git a/components/shell/Kconfig b/components/shell/Kconfig
index 0148daa8..13658362 100644
--- a/components/shell/Kconfig
+++ b/components/shell/Kconfig
@@ -19,6 +19,11 @@ config SHELL_PRIO
     range 1 31
     depends on SHELL
 
+config SHELL_STACK_SIZE
+    int "Shell Task Stack Size"
+    default 4096
+    depends on SHELL
+
 config SHELL_LK
     bool "Enable Shell lk"
     default y
diff --git a/components/shell/src/base/shmsg.c b/components/shell/src/base/shmsg.c
index 8cc37ff2..720af9be 100644
--- a/components/shell/src/base/shmsg.c
+++ b/components/shell/src/base/shmsg.c
@@ -258,7 +258,7 @@ LITE_OS_SEC_TEXT_MINOR UINT32 LosShellInit(VOID)
     }
 
     task1.pfnTaskEntry = (TSK_ENTRY_FUNC)ShellTaskEntry;
-    task1.uwStackSize  = 0x1000;
+    task1.uwStackSize  = LOSCFG_SHELL_STACK_SIZE;
     task1.pcName       = "ShellTaskEntry";
     task1.usTaskPrio   = LOSCFG_SHELL_PRIO;
     ret = LOS_TaskCreate(&taskID1, &task1);
diff --git a/kernel/include/los_config.h b/kernel/include/los_config.h
index fe418720..db3a5170 100644
--- a/kernel/include/los_config.h
+++ b/kernel/include/los_config.h
@@ -679,6 +679,14 @@ extern UINT8 *m_aucSysMem0;
 #define LOSCFG_KERNEL_PM_IDLE                         0
 #endif
 
+/**
+ * @ingroup los_config
+ * Configuration item to set shell stack size.
+ */
+#ifndef LOSCFG_SHELL_STACK_SIZE
+#define LOSCFG_SHELL_STACK_SIZE                         0x1000
+#endif
+
 #ifdef __cplusplus
 #if __cplusplus
 }