diff --git a/utils/filemgmt_libn/include/n_error.h b/utils/filemgmt_libn/include/n_error.h
index b349144cc4aafd1e4096dcf4489ecc2c905ada5c..8dd1899d0d71b1926df3fc42eaa6ba0cec34e916 100644
--- a/utils/filemgmt_libn/include/n_error.h
+++ b/utils/filemgmt_libn/include/n_error.h
@@ -42,6 +42,16 @@ constexpr int DISTRIBUTEDFILE_SERVICE_SYS_CAP_TAG = 22400000;
 const std::string FILEIO_TAG_ERR_CODE = "code";
 const std::string FILEIO_TAG_ERR_DATA = "data";
 
+#define MEDIA_LIBRARY_ERR(offset, errCode) (-((offset) + (errCode)))
+constexpr int32_t E_MEDIA_COMMON_OFFSET = 200;
+constexpr int32_t E_MEDIA_INVALID_URI =               MEDIA_LIBRARY_ERR(E_MEDIA_COMMON_OFFSET, 7);
+constexpr int32_t E_MEDIA_FILE_OFFSET = 3000;
+constexpr int32_t E_MEDIA_URI_INVALID =               MEDIA_LIBRARY_ERR(E_MEDIA_FILE_OFFSET, 0);
+constexpr int32_t E_MEDIA_PERMISSION_DENIED = -EACCES;
+constexpr int32_t E_MEDIA_NO_SUCH_FILE      = -ENOENT;
+constexpr int32_t E_MEDIA_FILE_EXIST        = -EEXIST;
+constexpr int32_t E_MEDIA_NO_MEMORY         = -ENOMEM;
+
 enum ErrCodeSuffixOfFileIO {
     E_PERM = 1,
     E_NOENT,
@@ -300,6 +310,12 @@ static inline std::unordered_map<int, std::pair<int32_t, std::string>> errCodeTa
         E_NETWORK_ERR, "Network unavailable" } },
     { DISTRIBUTEDFILE_SERVICE_SYS_CAP_TAG + E_BATTERY_WARNING, { DISTRIBUTEDFILE_SERVICE_SYS_CAP_TAG +
         E_BATTERY_WARNING, "Battery level warning" } },
+    { E_MEDIA_PERMISSION_DENIED, { FILEIO_SYS_CAP_TAG + E_PERM, "Operation not permitted" } },
+    { E_MEDIA_NO_SUCH_FILE, { FILEIO_SYS_CAP_TAG + E_NOENT, "No such file or directory in media library" } },
+    { E_MEDIA_FILE_EXIST, { FILEIO_SYS_CAP_TAG + E_EXIST, "The file is exist in media library" } },
+    { E_MEDIA_NO_MEMORY, { FILEIO_SYS_CAP_TAG + E_NOMEM, "Out of memory" } },
+    { E_MEDIA_URI_INVALID, { USER_FILE_SERVICE_SYS_CAP_TAG + E_URIS, "Invalid uri" } },
+    { E_MEDIA_INVALID_URI, { USER_FILE_SERVICE_SYS_CAP_TAG + E_URIS, "Invalid uri" } },
 };
 
 class NError {
@@ -325,4 +341,4 @@ private:
 } // namespace FileManagement
 } // namespace OHOS
 
-#endif // FILEMGMT_LIBN_N_ERROR_H
\ No newline at end of file
+#endif // FILEMGMT_LIBN_N_ERROR_H