diff --git a/src/vscode_plugin/package.json b/src/vscode_plugin/package.json
index c2eeda75c5fcfede1a5981892094ec986205c0a5..3d361525b05a754b59ce3dbf536b75193ee0c88f 100644
--- a/src/vscode_plugin/package.json
+++ b/src/vscode_plugin/package.json
@@ -111,6 +111,18 @@
           {
             "language": "cpp",
             "path": "./snippets/napi_class_snippets.json"
+          },
+          {
+            "language": "cpp",
+            "path": "./snippets/napi_async_snippets.json"
+          },
+          {
+            "language": "cpp",
+            "path": "./snippets/napi_promise_snippets.json"
+          },
+          {
+            "language": "cpp",
+            "path": "./snippets/napi_callback_snippets.json"
           }
         ]
     },
diff --git a/src/vscode_plugin/snippets/napi_async_snippets.json b/src/vscode_plugin/snippets/napi_async_snippets.json
new file mode 100644
index 0000000000000000000000000000000000000000..c9eabeb67f5846d0251ca70ffed6a62ef94482f9
--- /dev/null
+++ b/src/vscode_plugin/snippets/napi_async_snippets.json
@@ -0,0 +1,43 @@
+{
+  "Napi Async Func": {
+    "prefix": "napiasyncfunc",
+    "body": [
+      "struct AsyncData{",
+      "    napi_async_work work;",
+      "    napi_ref callbackRef;",
+      "    // save async work param in.",
+      "    // save async work result.",
+      "};",
+      "static void ExecuteAsyncWork(napi_env env, void* data) {",
+      "    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_DOMAIN, \"ASYNC\", \"ExecuteAsyncWork\");",
+      "}",
+      "static void CompleteAsyncWork(napi_env env, napi_status status, void* data) {",
+      "    OH_LOG_Print(LOG_APP, LOG_INFO, LOG_DOMAIN, \"ASYNC\", \"CompleteAsyncWork\");",
+      "}",
+      "napi_value StartAsyncWork(napi_env env, napi_callback_info info)",
+      "{",
+      "    napi_value resourceName = nullptr;",
+      "    // Create a js string which is used as the name for the asynchronous work object being created.",
+      "    napi_create_string_utf8(env, \"asyncWork\", NAPI_AUTO_LENGTH, &resourceName);",
+      "    // Create an asynchronous work object.",
+      "    napi_create_async_work(env, nullptr, resourceName, ExecuteAsyncWork, CompleteAsyncWork, asyncData, &asyncData->work);",
+      "    // Add the asynchronous work object to a queue.",
+      "    napi_queue_async_work(env, asyncData->work);",
+      "    return nullptr;",
+      "}",
+      "EXTERN_C_START",
+      "// Initialize the module.",
+      "static napi_value Init(napi_env env, napi_value exports)",
+      "{",
+      "    // Define properties and methods for a N-API object.",
+      "    napi_property_descriptor desc[] = {",
+      "       { \"startAsyncWork\", nullptr, StartAsyncWork, nullptr, nullptr, nullptr, napi_default, nullptr },",
+      "    };",
+      "    // Add an array of properties to a ArkTs object.",
+      "    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);",
+      "    return exports;",
+      "}",
+      "EXTERN_C_END"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/src/vscode_plugin/snippets/napi_callback_snippets.json b/src/vscode_plugin/snippets/napi_callback_snippets.json
new file mode 100644
index 0000000000000000000000000000000000000000..f8589865e1a38ccfd32caac5ec299d2bce42b56b
--- /dev/null
+++ b/src/vscode_plugin/snippets/napi_callback_snippets.json
@@ -0,0 +1,29 @@
+{
+  "Napi Callback": {
+    "prefix": "napicallback",
+    "body": [
+      "static napi_value CallbackSample(napi_env env, napi_callback_info info)",
+      "{",
+      "    napi_value callback;",
+      "    napi_value callbackArg[1] = nullptr;",
+      "    napi_value result;",
+      "    // Invokes a js function with the provided arguments and returns the result.",
+      "    napi_call_function(env, nullptr, callback, 1, callbackArg, &result);",
+      "    return nullptr;",
+      "}",
+      "EXTERN_C_START",
+      "// Initialize the module.",
+      "static napi_value Init(napi_env env, napi_value exports)",
+      "{",
+      "    // Define properties and methods for a N-API object.",
+      "    napi_property_descriptor desc[] = {",
+      "        { \"callbackSample\", nullptr, CallbackSample, nullptr, nullptr, nullptr, napi_default, nullptr }",
+      "    };",
+      "    // Add an array of properties to a ArkTs object.",
+      "    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);",
+      "    return exports;",
+      "}",
+      "EXTERN_C_END"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/src/vscode_plugin/snippets/napi_class_snippets.json b/src/vscode_plugin/snippets/napi_class_snippets.json
index a5c03b409eb826e85658ddb8ae125cd587eb10f7..b94eb08f51371a619413e50ec259735e3a7eef94 100644
--- a/src/vscode_plugin/snippets/napi_class_snippets.json
+++ b/src/vscode_plugin/snippets/napi_class_snippets.json
@@ -50,6 +50,7 @@
     "  // Retrieve obj (the C++ object) previously wrapped in jsThis (the ArkTS object), and perform subsequent operations.",
     "  napi_unwrap(env, jsThis, reinterpret_cast<void**>(&obj));",
     "  // Todo: you can use \"napistringutf8out\" command that return string utf8 value to js.",
+    "  return stringOut;",
     "}",
     "napi_value HelloWorld::SetValue(napi_env env, napi_callback_info info)",
     "{",
diff --git a/src/vscode_plugin/snippets/napi_promise_snippets.json b/src/vscode_plugin/snippets/napi_promise_snippets.json
new file mode 100644
index 0000000000000000000000000000000000000000..7a11abbf62096680fbba38bbb2c6382522e7db9e
--- /dev/null
+++ b/src/vscode_plugin/snippets/napi_promise_snippets.json
@@ -0,0 +1,37 @@
+{
+  "Napi Promise": {
+    "prefix": "napipromise",
+    "body": [
+      "static napi_value PromiseSample(napi_env env, napi_callback_info info)",
+      "{",
+      "    napi_value promise;",
+      "    napi_deferred deferred;",
+      "    // Create a new js Promise.",
+      "    napi_create_promise(env, &deferred, &promise);",
+      "    napi_value valueOut = nullptr;",
+      "    bool isResolved = true;",
+      "    if (isResolved) {",
+      "        // Fulfill a js Promise with a given value.",
+      "        napi_resolve_deferred(env, deferred, valueOut);",
+      "    } else {",
+      "        //  Reject a js Promise with a given reason.",
+      "        napi_reject_deferred(env, deferred, valueOut);",
+      "    }",
+      "    return promise;",
+      "}",
+      "EXTERN_C_START",
+      "// Initialize the module.",
+      "static napi_value Init(napi_env env, napi_value exports)",
+      "{",
+      "    // Define properties and methods for a N-API object.",
+      "    napi_property_descriptor desc[] = {",
+      "        { \"promiseSample\", nullptr, PromiseSample, nullptr, nullptr, nullptr, napi_default, nullptr }",
+      "    };",
+      "    // Add an array of properties to a ArkTs object.",
+      "    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);",
+      "    return exports;",
+      "}",
+      "EXTERN_C_END"
+    ]
+  }
+}
\ No newline at end of file