diff --git a/distributeddatamgr/relational_store/include/relational_store.h b/distributeddatamgr/relational_store/include/relational_store.h
index 57daa9ea3ab4add5917e892deb585bcbcb59a151..81f2c6e468d54c222b863954dfa2bb865f9bd5f8 100644
--- a/distributeddatamgr/relational_store/include/relational_store.h
+++ b/distributeddatamgr/relational_store/include/relational_store.h
@@ -411,6 +411,19 @@ int OH_Rdb_SetTokenizer(OH_Rdb_ConfigV2 *config, Rdb_Tokenizer tokenizer);
  */
 int OH_Rdb_SetPersistent(OH_Rdb_ConfigV2 *config, bool isPersistent);
 
+/**
+ * @brief Set whether the database enable the capabilities for semantic indexing processing.
+ *
+ * @param config Represents a pointer to {@link OH_Rdb_ConfigV2} instance.
+ * Indicates the configuration of the database related to this RDB store.
+ * @param enableSemanticIndex Indicates whether the database enable the capabilities for semantic indexing processing.
+ * @return Returns the status code of the execution. Successful execution returns RDB_OK,
+ *     {@link RDB_OK} - success.
+ *     {@link RDB_E_INVALID_ARGS} - The error code for common invalid args.
+ * @since 20
+ */
+int OH_Rdb_SetSemanticIndex(OH_Rdb_ConfigV2 *config, bool enableSemanticIndex);
+
 /**
  * @brief Check if a tokenizer is supported or not.
  *
diff --git a/distributeddatamgr/relational_store/libnative_rdb.ndk.json b/distributeddatamgr/relational_store/libnative_rdb.ndk.json
index 297caefed1cc756a8d52f1072546faa0f343665e..fd3614309c9740248db2ace990f2665b477968e6 100644
--- a/distributeddatamgr/relational_store/libnative_rdb.ndk.json
+++ b/distributeddatamgr/relational_store/libnative_rdb.ndk.json
@@ -44,6 +44,10 @@
         "first_introduced": "14",
         "name":"OH_Rdb_SetDbType"
     },
+    {
+        "first_introduced": "20",
+        "name":"OH_Rdb_SetSemanticIndex"
+    },
     {
         "first_introduced": "17",
         "name":"OH_Rdb_SetTokenizer"