diff --git a/api/@ohos.data.rdb.d.ts b/api/@ohos.data.rdb.d.ts
index f49a6db5ce8e98afa1885038a7d08764a9bb77b0..565969342c0cd56ad4f4b4a8406f2af39f0f66fb 100644
--- a/api/@ohos.data.rdb.d.ts
+++ b/api/@ohos.data.rdb.d.ts
@@ -275,6 +275,29 @@ declare namespace rdb {
          * @param observer Indicates the data change observer already registered .
          */
         off(event:'dataChange', type: SubscribeType, observer: Callback<Array<string>>): void;
+
+        /**
+         * Backup the database.
+         *
+         * @note N/A
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param databasePath Indicates the backup name of the database.
+         */
+        backup(databasePath:string, callback: AsyncCallback<void>):void;
+        backup(databasePath:string): Promise<void>;
+
+        /**
+         * Restore the database.
+         *
+         * @note N/A
+         * @since 9
+         * @syscap SystemCapability.DistributedDataManager.RelationalStore.Core
+         * @param newPath Indicates the restore name when the database restored.
+         * @param backupPath Indicates the backup name of the database.
+         */
+        restore(newPath:string, backupPath:string, callback: AsyncCallback<void>):void;
+        restore(newPath:string, backupPath:string): Promise<void>;
     }
 
     /**