diff --git a/frameworks/ets/ani/ani_common/include/ani_common_util.h b/frameworks/ets/ani/ani_common/include/ani_common_util.h
index 6c04d37037f6b7c4338430d87cd4c7c01351f2b2..b04d07660a1615d0a7995f550777906466351c8b 100644
--- a/frameworks/ets/ani/ani_common/include/ani_common_util.h
+++ b/frameworks/ets/ani/ani_common/include/ani_common_util.h
@@ -67,6 +67,7 @@ bool SetStringArrayProperty(ani_env *env, ani_object param, const char *name, co
 bool SetRefProperty(ani_env *env, ani_object param, const char *name, ani_ref value);
 bool WrapArrayString(ani_env *env, ani_object &arrayObj, const std::vector<std::string> &values);
 bool UnwrapArrayString(ani_env *env, const ani_object &arrayObj, std::vector<std::string> &stringList);
+ani_object CreateEmptyArray(ani_env *env);
 }  // namespace AppExecFwk
 }  // namespace OHOS
 #endif  // OHOS_ABILITY_RUNTIME_ANI_COMMON_UTIL_H
diff --git a/frameworks/ets/ani/ani_common/src/ani_common_util.cpp b/frameworks/ets/ani/ani_common/src/ani_common_util.cpp
index 51a122518bdf0626fac292fc512aa93f15c41b06..47970276c6641b2f23fd2073e1fad999ddd4df31 100644
--- a/frameworks/ets/ani/ani_common/src/ani_common_util.cpp
+++ b/frameworks/ets/ani/ani_common/src/ani_common_util.cpp
@@ -1021,5 +1021,33 @@ bool UnwrapArrayString(ani_env *env, const ani_object &arrayObj, std::vector<std
     }
     return true;
 }
+
+ani_object CreateEmptyArray(ani_env *env)
+{
+    ani_status status = ANI_OK;
+    if (env == nullptr) {
+        TAG_LOGE(AAFwkTag::JSNAPI, "null env");
+        return nullptr;
+    }
+    ani_class arrayCls = nullptr;
+    status = env->FindClass("Lescompat/Array;", &arrayCls);
+    if (status != ANI_OK) {
+        TAG_LOGE(AAFwkTag::JSNAPI, "FindClass failed status: %{public}d", status);
+        return nullptr;
+    }
+    ani_method arrayCtor;
+    status = env->Class_FindMethod(arrayCls, "<ctor>", ":V", &arrayCtor);
+    if (status != ANI_OK) {
+        TAG_LOGE(AAFwkTag::JSNAPI, "find ctor failed status: %{public}d", status);
+        return nullptr;
+    }
+    ani_object arrayObj;
+    status = env->Object_New(arrayCls, arrayCtor, &arrayObj);
+    if (status != ANI_OK) {
+        TAG_LOGE(AAFwkTag::JSNAPI, "Object_New array failed status: %{public}d", status);
+        return nullptr;
+    }
+    return arrayObj;
+}
 }  // namespace AppExecFwk
 }  // namespace OHOS
diff --git a/frameworks/ets/ets/application/ApplicationContext.ets b/frameworks/ets/ets/application/ApplicationContext.ets
index cdba8ab952af261866576c8c18455972a99dde0c..9c090765425a1b75cb09fc753d334956f285ee03 100644
--- a/frameworks/ets/ets/application/ApplicationContext.ets
+++ b/frameworks/ets/ets/application/ApplicationContext.ets
@@ -42,6 +42,7 @@ export default class ApplicationContext extends Context {
   public native nativesetColorMode(colorMode: ConfigurationConstant.ColorMode): void;
   public native nativesetFont(font: string): void;
   public native nativerestartApp(want: Want): void;
+  public native nativeGetAllRunningInstanceKeys(callback: AsyncCallbackWrapper<Array<string>>): void;
   public native nativeOnApplicationStateChangeSync(callback: ApplicationStateChangeCallback): void;
   public native nativeOffApplicationStateChangeSync(callback?: ApplicationStateChangeCallback): void;
   public native nativegetCurrentAppCloneIndex(): number;
@@ -173,6 +174,24 @@ export default class ApplicationContext extends Context {
     });
     return p;
   }
+  
+  getAllRunningInstanceKeys(): Promise<Array<string>> {
+    let p = new Promise<Array<string>>((resolve: (data: Array<string>) => void,
+      reject: (err: BusinessError<void>) => void): void => {
+      let myCall = new AsyncCallbackWrapper<Array<string>>((err: BusinessError<void>,
+        data: Array<string>) => {
+        if (err.code == 0) {
+          resolve(data);
+        } else {
+          reject(err);
+        }
+      });
+      taskpool.execute((): void => {
+        this.nativeGetAllRunningInstanceKeys(myCall);
+      });
+    });
+    return p;
+  }
 
   clearUpApplicationData(callback: AsyncCallback<void>): void {
     let myCall = new AsyncCallbackWrapper<void>(callback);
diff --git a/frameworks/native/appkit/ability_runtime/context/ets_application_context_utils.cpp b/frameworks/native/appkit/ability_runtime/context/ets_application_context_utils.cpp
index 89b5761d84df1df0b77e4978c5fab0924488f6b2..343b94b8c0250f00e296dc56dc8cafe839a1517c 100644
--- a/frameworks/native/appkit/ability_runtime/context/ets_application_context_utils.cpp
+++ b/frameworks/native/appkit/ability_runtime/context/ets_application_context_utils.cpp
@@ -453,6 +453,40 @@ ani_string EtsApplicationContextUtils::GetCurrentInstanceKey([[maybe_unused]]ani
     return aniStr;
 }
 
+void EtsApplicationContextUtils::GetAllRunningInstanceKeys([[maybe_unused]]ani_env *env,
+    [[maybe_unused]]ani_object aniObj, ani_object callback)
+{
+    TAG_LOGD(AAFwkTag::APPKIT, "GetAllRunningInstanceKeys Call");
+    if (env == nullptr) {
+        TAG_LOGE(AAFwkTag::APPKIT, "null env");
+        return;
+    }
+    ani_object emptyArray = AppExecFwk::CreateEmptyArray(env);
+    std::vector<std::string> instanceKeys;
+    auto applicationContext = applicationContext_.lock();
+    if (!applicationContext) {
+        TAG_LOGE(AAFwkTag::APPKIT, "null context");
+        AppExecFwk::AsyncCallback(env, callback, CreateStsError(env,
+            AbilityErrorCode::ERROR_CODE_INVALID_CONTEXT), emptyArray);
+        return;
+    }
+    if (applicationContext->GetCurrentAppMode() != static_cast<int32_t>(AppExecFwk::MultiAppModeType::MULTI_INSTANCE)) {
+        TAG_LOGE(AAFwkTag::APPKIT, "not supported");
+        AppExecFwk::AsyncCallback(env, callback, CreateStsErrorByNativeErr(env,
+            AAFwk::ERR_MULTI_INSTANCE_NOT_SUPPORTED), emptyArray);
+        return;
+    }
+    ErrCode innerErrCode = applicationContext->GetAllRunningInstanceKeys(instanceKeys);
+    if (innerErrCode != ERR_OK) {
+        TAG_LOGE(AAFwkTag::APPKIT, "innerErrCode=%{public}d", innerErrCode);
+        AppExecFwk::AsyncCallback(env, callback, CreateStsErrorByNativeErr(env, (int32_t)innerErrCode), emptyArray);
+        return;
+    }
+    ani_object stringArray;
+    AppExecFwk::WrapArrayString(env, stringArray, instanceKeys);
+    AppExecFwk::AsyncCallback(env, callback, CreateStsError(env, AbilityErrorCode::ERROR_OK), stringArray);
+}
+
 void EtsApplicationContextUtils::BindApplicationContextFunc(ani_env* aniEnv, ani_class& contextClass)
 {
     if (aniEnv == nullptr) {
@@ -490,6 +524,8 @@ void EtsApplicationContextUtils::BindApplicationContextFunc(ani_env* aniEnv, ani
             reinterpret_cast<void *>(EtsApplicationContextUtils::SetFont)},
         ani_native_function {"nativerestartApp", "L@ohos/app/ability/Want/Want;:V",
             reinterpret_cast<void *>(EtsApplicationContextUtils::RestartApp)},
+        ani_native_function {"nativeGetAllRunningInstanceKeys", "Lutils/AbilityUtils/AsyncCallbackWrapper;:V",
+            reinterpret_cast<void *>(EtsApplicationContextUtils::GetAllRunningInstanceKeys)},
         ani_native_function {"nativeOnApplicationStateChangeSync",
             "L@ohos/app/ability/ApplicationStateChangeCallback/ApplicationStateChangeCallback;:V",
             reinterpret_cast<void*>(EtsApplicationContextUtils::NativeOnApplicationStateChangeSync)},
diff --git a/interfaces/kits/native/appkit/ability_runtime/context/ets_application_context_utils.h b/interfaces/kits/native/appkit/ability_runtime/context/ets_application_context_utils.h
index 89422eeafc7238e025170028546a355a1eba9438..977c852beef3b6b79c40869efe1e2a4db8a8efe8 100644
--- a/interfaces/kits/native/appkit/ability_runtime/context/ets_application_context_utils.h
+++ b/interfaces/kits/native/appkit/ability_runtime/context/ets_application_context_utils.h
@@ -51,6 +51,8 @@ public:
         ani_object callback);
     static void GetRunningProcessInformation([[maybe_unused]]ani_env *env, [[maybe_unused]]ani_object aniObj,
         ani_object callback);
+    static void GetAllRunningInstanceKeys([[maybe_unused]]ani_env *env, [[maybe_unused]]ani_object aniObj,
+        ani_object callback);
     static ani_double NativeOnSync([[maybe_unused]]ani_env *env, [[maybe_unused]]ani_object aniObj,
         ani_string type, ani_object envCallback);
     static void NativeOffSync([[maybe_unused]]ani_env *env, [[maybe_unused]]ani_object aniObj,