diff --git a/components/app/__tests__/index.test.tsx b/components/app/__tests__/index.test.tsx
index 3ea627cc9c..5a4fc2071a 100644
--- a/components/app/__tests__/index.test.tsx
+++ b/components/app/__tests__/index.test.tsx
@@ -1,13 +1,24 @@
-import React from 'react';
+import React, { useEffect } from 'react';
 import App from '..';
 import mountTest from '../../../tests/shared/mountTest';
 import rtlTest from '../../../tests/shared/rtlTest';
-import { render } from '../../../tests/utils';
+import { render, waitFakeTimer } from '../../../tests/utils';
+import type { AppConfig } from '../context';
+import { AppConfigContext } from '../context';
 
 describe('App', () => {
   mountTest(App);
   rtlTest(App);
 
+  beforeEach(() => {
+    jest.useFakeTimers();
+  });
+
+  afterEach(() => {
+    jest.clearAllTimers();
+    jest.useRealTimers();
+  });
+
   it('single', () => {
     // Sub page
     const MyPage = () => {
@@ -30,4 +41,85 @@ describe('App', () => {
     expect(getByText('Hello World')).toBeTruthy();
     expect(container.firstChild).toMatchSnapshot();
   });
+
+  it('should work as message and notification config configured in app', async () => {
+    let consumedConfig: AppConfig | undefined;
+    const Consumer = () => {
+      const { message, notification } = App.useApp();
+      consumedConfig = React.useContext(AppConfigContext);
+
+      useEffect(() => {
+        message.success('Message 1');
+        message.success('Message 2');
+        notification.success({ message: 'Notification 1' });
+        notification.success({ message: 'Notification 2' });
+        notification.success({ message: 'Notification 3' });
+      }, [message, notification]);
+
+      return <div />;
+    };
+    const Wrapper = () => (
+      <App message={{ maxCount: 1 }} notification={{ maxCount: 2 }}>
+        <Consumer />
+      </App>
+    );
+
+    render(<Wrapper />);
+
+    await waitFakeTimer();
+
+    expect(consumedConfig?.message).toStrictEqual({ maxCount: 1 });
+    expect(consumedConfig?.notification).toStrictEqual({ maxCount: 2 });
+
+    expect(document.querySelectorAll('.ant-message-notice')).toHaveLength(1);
+    expect(document.querySelectorAll('.ant-notification-notice')).toHaveLength(2);
+  });
+
+  it('should be a merged config configured in nested app', async () => {
+    let offsetConsumedConfig: AppConfig | undefined;
+    let maxCountConsumedConfig: AppConfig | undefined;
+    const OffsetConsumer = () => {
+      offsetConsumedConfig = React.useContext(AppConfigContext);
+      return <div />;
+    };
+    const MaxCountConsumer = () => {
+      maxCountConsumedConfig = React.useContext(AppConfigContext);
+      return <div />;
+    };
+    const Wrapper = () => (
+      <App message={{ maxCount: 1 }} notification={{ maxCount: 2 }}>
+        <App message={{ top: 32 }} notification={{ top: 96 }}>
+          <OffsetConsumer />
+        </App>
+        <MaxCountConsumer />
+      </App>
+    );
+
+    render(<Wrapper />);
+
+    expect(offsetConsumedConfig?.message).toStrictEqual({ maxCount: 1, top: 32 });
+    expect(offsetConsumedConfig?.notification).toStrictEqual({ maxCount: 2, top: 96 });
+    expect(maxCountConsumedConfig?.message).toStrictEqual({ maxCount: 1 });
+    expect(maxCountConsumedConfig?.notification).toStrictEqual({ maxCount: 2 });
+  });
+
+  it('should respect config from props in priority', async () => {
+    let config: AppConfig | undefined;
+    const Consumer = () => {
+      config = React.useContext(AppConfigContext);
+      return <div />;
+    };
+    const Wrapper = () => (
+      <App message={{ maxCount: 10, top: 20 }} notification={{ maxCount: 30, bottom: 40 }}>
+        <App message={{ maxCount: 11 }} notification={{ bottom: 41 }}>
+          <Consumer />
+        </App>
+      </App>
+    );
+
+    render(<Wrapper />);
+
+    expect(config?.message).toStrictEqual({ maxCount: 11, top: 20 });
+    expect(config?.notification).toStrictEqual({ maxCount: 30, bottom: 41 });
+  });
 });
diff --git a/components/app/context.ts b/components/app/context.ts
index 7b83793b68..7beba3c827 100644
--- a/components/app/context.ts
+++ b/components/app/context.ts
@@ -1,8 +1,15 @@
 import React from 'react';
-import type { MessageInstance } from '../message/interface';
-import type { NotificationInstance } from '../notification/interface';
+import type { MessageInstance, ConfigOptions as MessageConfig } from '../message/interface';
+import type { NotificationInstance, NotificationConfig } from '../notification/interface';
 import type { ModalStaticFunctions } from '../modal/confirm';
 
+export type AppConfig = {
+  message?: MessageConfig;
+  notification?: NotificationConfig;
+};
+
+export const AppConfigContext = React.createContext<AppConfig>({});
+
 type ModalType = Omit<ModalStaticFunctions, 'warn'>;
 export interface useAppProps {
   message: MessageInstance;
diff --git a/components/app/index.en-US.md b/components/app/index.en-US.md
index 70b525de59..45d9003bb1 100644
--- a/components/app/index.en-US.md
+++ b/components/app/index.en-US.md
@@ -117,3 +117,12 @@ export default () => {
   );
 };
 ```
+
+## API
+
+### App
+
+| Property | Description | Type | Default | Version |
+| --- | --- | --- | --- | --- |
+| message | Global config for Message | [MessageConfig](/components/message/#messageconfig) | - | 5.3.0 |
+| notification | Global config for Notification | [NotificationConfig](/components/notification/#notificationconfig) | - | 5.3.0 |
diff --git a/components/app/index.tsx b/components/app/index.tsx
index e1eb7ef4c1..d4dda35f6e 100644
--- a/components/app/index.tsx
+++ b/components/app/index.tsx
@@ -6,8 +6,8 @@ import { ConfigContext } from '../config-provider';
 import useMessage from '../message/useMessage';
 import useModal from '../modal/useModal';
 import useNotification from '../notification/useNotification';
-import type { useAppProps } from './context';
-import AppContext from './context';
+import AppContext, { AppConfigContext } from './context';
+import type { AppConfig, useAppProps } from './context';
 import useStyle from './style';
 
 export type AppProps = {
@@ -15,19 +15,37 @@ export type AppProps = {
   rootClassName?: string;
   prefixCls?: string;
   children?: ReactNode;
-};
+} & AppConfig;
 
-const useApp = () => React.useContext<useAppProps>(AppContext);
+const useApp = () => React.useContext(AppContext);
 
-const App: React.FC<AppProps> & { useApp: () => useAppProps } = (props) => {
-  const { prefixCls: customizePrefixCls, children, className, rootClassName } = props;
+const App: React.FC<AppProps> & { useApp: typeof useApp } = (props) => {
+  const {
+    prefixCls: customizePrefixCls,
+    children,
+    className,
+    rootClassName,
+    message,
+    notification,
+  } = props;
   const { getPrefixCls } = useContext<ConfigConsumerProps>(ConfigContext);
   const prefixCls = getPrefixCls('app', customizePrefixCls);
   const [wrapSSR, hashId] = useStyle(prefixCls);
   const customClassName = classNames(hashId, prefixCls, className, rootClassName);
 
-  const [messageApi, messageContextHolder] = useMessage();
-  const [notificationApi, notificationContextHolder] = useNotification();
+  const appConfig = useContext(AppConfigContext);
+  const mergedAppConfig = React.useMemo<AppConfig>(
+    () => ({
+      message: { ...appConfig.message, ...message },
+      notification: { ...appConfig.notification, ...notification },
+    }),
+    [message, notification, appConfig.message, appConfig.message],
+  );
+
+  const [messageApi, messageContextHolder] = useMessage(mergedAppConfig.message);
+  const [notificationApi, notificationContextHolder] = useNotification(
+    mergedAppConfig.notification,
+  );
   const [ModalApi, ModalContextHolder] = useModal();
 
   const memoizedContextValue = React.useMemo<useAppProps>(
@@ -41,12 +59,14 @@ const App: React.FC<AppProps> & { useApp: () => useAppProps } = (props) => {
 
   return wrapSSR(
     <AppContext.Provider value={memoizedContextValue}>
-      <div className={customClassName}>
-        {ModalContextHolder}
-        {messageContextHolder}
-        {notificationContextHolder}
-        {children}
-      </div>
+      <AppConfigContext.Provider value={mergedAppConfig}>
+        <div className={customClassName}>
+          {ModalContextHolder}
+          {messageContextHolder}
+          {notificationContextHolder}
+          {children}
+        </div>
+      </AppConfigContext.Provider>
     </AppContext.Provider>,
   );
 };
diff --git a/components/app/index.zh-CN.md b/components/app/index.zh-CN.md
index 9cceb465d6..61741724d9 100644
--- a/components/app/index.zh-CN.md
+++ b/components/app/index.zh-CN.md
@@ -119,3 +119,12 @@ export default () => {
   );
 };
 ```
+
+## API
+
+### App
+
+| 参数 | 说明 | 类型 | 默认值 | 版本 |
+| --- | --- | --- | --- | --- |
+| message | App 内 Message 的全局配置 | [MessageConfig](/components/message-cn/#messageconfig) | - | 5.3.0 |
+| notification | App 内 Notification 的全局配置 | [NotificationConfig](/components/notification-cn/#notificationconfig) | - | 5.3.0 |
diff --git a/components/notification/index.en-US.md b/components/notification/index.en-US.md
index 86436755b3..9d3472c5e9 100644
--- a/components/notification/index.en-US.md
+++ b/components/notification/index.en-US.md
@@ -65,11 +65,15 @@ The properties of config are as follows:
 
 `notification` also provides a global `config()` method that can be used for specifying the default options. Once this method is used, all the notification boxes will take into account these globally defined options when displaying.
 
-- `notification.config(options)`
+### Global configuration
 
-  > When you use `ConfigProvider` for global configuration, the system will automatically start RTL mode by default.(4.3.0+)
-  >
-  > When you want to use it alone, you can start the RTL mode through the following settings.
+`notification.config(options)`
+
+> When you use `ConfigProvider` for global configuration, the system will automatically start RTL mode by default.(4.3.0+)
+>
+> When you want to use it alone, you can start the RTL mode through the following settings.
+
+#### notification.config
 
 ```js
 notification.config({
diff --git a/components/notification/index.zh-CN.md b/components/notification/index.zh-CN.md
index 3468097089..e47bc1361a 100644
--- a/components/notification/index.zh-CN.md
+++ b/components/notification/index.zh-CN.md
@@ -63,13 +63,15 @@ config 参数如下：
 | onClick | 点击通知时触发的回调函数 | function | - |
 | onClose | 当通知关闭时触发 | function | - |
 
+### 全局配置
+
 还提供了一个全局配置方法，在调用前提前配置，全局一次生效。
 
-- `notification.config(options)`
+`notification.config(options)`
 
-  > 当你使用 `ConfigProvider` 进行全局化配置时，系统会默认自动开启 RTL 模式。(4.3.0+)
-  >
-  > 当你想单独使用，可通过如下设置开启 RTL 模式。
+> 当你使用 `ConfigProvider` 进行全局化配置时，系统会默认自动开启 RTL 模式。(4.3.0+)
+>
+> 当你想单独使用，可通过如下设置开启 RTL 模式。
 
 ```js
 notification.config({
@@ -80,6 +82,8 @@ notification.config({
 });
 ```
 
+#### notification.config
+
 | 参数 | 说明 | 类型 | 默认值 | 版本 |
 | --- | --- | --- | --- | --- |
 | bottom | 消息从底部弹出时，距离底部的位置，单位像素 | number | 24 |  |