diff --git a/kal/posix/BUILD.gn b/kal/posix/BUILD.gn
index 2c2a676642f469e136bdd68b7475ae3b2bf66d85..81a5ccaf85e968abcb1006d045edca32990ad2f2 100644
--- a/kal/posix/BUILD.gn
+++ b/kal/posix/BUILD.gn
@@ -35,6 +35,7 @@ kernel_module(module_name) {
   sources = [
     "src/errno.c",
     "src/libc.c",
+    "src/map_error.c",
   ]
   configs += [ "$LITEOSTOPDIR:warn_config" ]
 
diff --git a/kal/posix/src/map_error.c b/kal/posix/src/map_error.c
new file mode 100644
index 0000000000000000000000000000000000000000..5a2a9578d70a78e453ba6714562d0af286faa60c
--- /dev/null
+++ b/kal/posix/src/map_error.c
@@ -0,0 +1,100 @@
+/*
+ * 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 "los_mux.h"
+#include "los_queue.h"
+#include "los_sem.h"
+#include "los_task.h"
+#include <errno.h>
+
+INT32 map_errno(UINT32 err)
+{
+    if (err == LOS_OK) {
+        return 0;
+    }
+    switch (err) {
+        case LOS_ERRNO_QUEUE_INVALID:
+        case LOS_ERRNO_QUEUE_WRITE_PTR_NULL:
+        case LOS_ERRNO_QUEUE_WRITESIZE_ISZERO:
+        case LOS_ERRNO_QUEUE_SIZE_TOO_BIG:
+        case LOS_ERRNO_QUEUE_CREAT_PTR_NULL:
+        case LOS_ERRNO_QUEUE_PARA_ISZERO:
+        case LOS_ERRNO_QUEUE_WRITE_SIZE_TOO_BIG:
+        case LOS_ERRNO_TSK_ID_INVALID:
+        case LOS_ERRNO_TSK_PTR_NULL:
+        case LOS_ERRNO_TSK_NAME_EMPTY:
+        case LOS_ERRNO_TSK_ENTRY_NULL:
+        case LOS_ERRNO_TSK_PRIOR_ERROR:
+        case LOS_ERRNO_TSK_STKSZ_TOO_LARGE:
+        case LOS_ERRNO_TSK_STKSZ_TOO_SMALL:
+        case LOS_ERRNO_TSK_NOT_CREATED:
+        case OS_ERROR:
+        case LOS_ERRNO_SEM_INVALID:
+        case LOS_ERRNO_SEM_UNAVAILABLE:
+            errno = EINVAL;
+            break;
+        case LOS_ERRNO_QUEUE_ISFULL:
+        case LOS_ERRNO_QUEUE_ISEMPTY:
+            errno = EAGAIN;
+            break;
+        case LOS_ERRNO_QUEUE_CREATE_NO_MEMORY:
+        case LOS_ERRNO_TSK_TCB_UNAVAILABLE:
+        case LOS_ERRNO_SEM_ALL_BUSY:
+            errno = ENOSPC;
+            break;
+        case LOS_ERRNO_QUEUE_TIMEOUT:
+        case LOS_ERRNO_SEM_TIMEOUT:
+            errno = ETIMEDOUT;
+            break;
+        case LOS_ERRNO_QUEUE_CB_UNAVAILABLE:
+            errno = ENFILE;
+            break;
+        case LOS_ERRNO_QUEUE_READ_IN_INTERRUPT:
+        case LOS_ERRNO_QUEUE_WRITE_IN_INTERRUPT:
+        case LOS_ERRNO_SEM_PEND_INTERR:
+            errno = EINTR;
+            break;
+        case LOS_ERRNO_TSK_NO_MEMORY:
+        case LOS_ERRNO_SEM_OVERFLOW:
+            errno = ENOMEM;
+            break;
+        case LOS_ERRNO_SEM_PENDED:
+            errno = EBUSY;
+            break;
+        case LOS_ERRNO_SEM_PEND_IN_LOCK:
+            errno = EPERM;
+            break;
+        default:
+            errno = EINVAL;
+            break;
+    }
+    return errno;
+}
+
diff --git a/kal/posix/src/map_error.h b/kal/posix/src/map_error.h
new file mode 100644
index 0000000000000000000000000000000000000000..0afe80defbec3ad224237246ad940a4829441976
--- /dev/null
+++ b/kal/posix/src/map_error.h
@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+#ifndef _POSIX_MAP_ERROR_H
+#define _POSIX_MAP_ERROR_H
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+INT32 map_errno(UINT32 err);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
diff --git a/kal/posix/src/pthread.c b/kal/posix/src/pthread.c
index e365842efeb72a719b4a2979e0f4eece25b2029a..695eb1edcdf65dc8931ce8ad5e4960da264760c6 100644
--- a/kal/posix/src/pthread.c
+++ b/kal/posix/src/pthread.c
@@ -40,6 +40,7 @@
 #include "los_config.h"
 #include "los_task.h"
 #include "los_debug.h"
+#include "map_error.h"
 
 #define PTHREAD_DEFAULT_NAME     "pthread"
 #define PTHREAD_DEFAULT_NAME_LEN 8
@@ -207,9 +208,10 @@ int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
         return ret;
     }
 
-    if (LOS_TaskCreateOnly(&taskID, &taskInitParam) != LOS_OK) {
+    ret = LOS_TaskCreateOnly(&taskID, &taskInitParam);
+    if (ret != LOS_OK) {
         free((VOID *)(UINTPTR)taskInitParam.uwArg);
-        return EINVAL;
+        return map_errno(ret);
     }
 
     PthreadData *pthreadData = (PthreadData *)taskInitParam.uwArg;