diff --git a/components/float-button/FloatButtonGroup.tsx b/components/float-button/FloatButtonGroup.tsx
index ba41255b23..241f7914e8 100644
--- a/components/float-button/FloatButtonGroup.tsx
+++ b/components/float-button/FloatButtonGroup.tsx
@@ -1,12 +1,13 @@
-import React, { useRef, memo, useContext, useEffect, useCallback, useMemo } from 'react';
 import CloseOutlined from '@ant-design/icons/CloseOutlined';
 import FileTextOutlined from '@ant-design/icons/FileTextOutlined';
 import classNames from 'classnames';
 import CSSMotion from 'rc-motion';
 import useMergedState from 'rc-util/lib/hooks/useMergedState';
-import FloatButton, { floatButtonPrefixCls } from './FloatButton';
+import React, { memo, useCallback, useContext, useEffect, useMemo, useRef } from 'react';
+import warning from '../_util/warning';
 import type { ConfigConsumerProps } from '../config-provider';
 import { ConfigContext } from '../config-provider';
+import FloatButton, { floatButtonPrefixCls } from './FloatButton';
 import { FloatButtonGroupProvider } from './context';
 import type { FloatButtonGroupProps } from './interface';
 import useStyle from './style';
@@ -88,6 +89,15 @@ const FloatButtonGroup: React.FC<FloatButtonGroupProps> = (props) => {
     }
   }, [trigger]);
 
+  // =================== Warning =====================
+  if (process.env.NODE_ENV !== 'production') {
+    warning(
+      typeof props.open !== 'boolean' || !!trigger,
+      'FloatButton.Group',
+      '`open` need to be used together with `trigger`',
+    );
+  }
+
   return wrapSSR(
     <FloatButtonGroupProvider value={shape}>
       <div ref={floatButtonGroupRef} className={groupCls} style={style} {...hoverAction}>
diff --git a/components/float-button/__tests__/__snapshots__/demo-extend.test.ts.snap b/components/float-button/__tests__/__snapshots__/demo-extend.test.ts.snap
index 3404593ff8..8e9c5799a2 100644
--- a/components/float-button/__tests__/__snapshots__/demo-extend.test.ts.snap
+++ b/components/float-button/__tests__/__snapshots__/demo-extend.test.ts.snap
@@ -660,6 +660,220 @@ exports[`renders components/float-button/demo/basic.tsx extend context correctly
 </button>
 `;
 
+exports[`renders components/float-button/demo/controlled.tsx extend context correctly 1`] = `
+Array [
+  <div
+    class="ant-float-btn-group ant-float-btn-group-circle"
+    style="right: 24px;"
+  >
+    <div
+      class="ant-float-btn-group-wrap-appear ant-float-btn-group-wrap-appear-start ant-float-btn-group-wrap ant-float-btn-group-wrap"
+    >
+      <button
+        class="ant-float-btn ant-float-btn-default ant-float-btn-circle"
+        type="button"
+      >
+        <span
+          class="ant-badge"
+        >
+          <div
+            class="ant-float-btn-body"
+          >
+            <div
+              class="ant-float-btn-content"
+            >
+              <div
+                class="ant-float-btn-icon"
+              >
+                <span
+                  aria-label="file-text"
+                  class="anticon anticon-file-text"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="file-text"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <path
+                      d="M854.6 288.6L639.4 73.4c-6-6-14.1-9.4-22.6-9.4H192c-17.7 0-32 14.3-32 32v832c0 17.7 14.3 32 32 32h640c17.7 0 32-14.3 32-32V311.3c0-8.5-3.4-16.7-9.4-22.7zM790.2 326H602V137.8L790.2 326zm1.8 562H232V136h302v216a42 42 0 0042 42h216v494zM504 618H320c-4.4 0-8 3.6-8 8v48c0 4.4 3.6 8 8 8h184c4.4 0 8-3.6 8-8v-48c0-4.4-3.6-8-8-8zM312 490v48c0 4.4 3.6 8 8 8h384c4.4 0 8-3.6 8-8v-48c0-4.4-3.6-8-8-8H320c-4.4 0-8 3.6-8 8z"
+                    />
+                  </svg>
+                </span>
+              </div>
+            </div>
+          </div>
+        </span>
+        <div
+          class="ant-tooltip ant-zoom-big-fast-appear ant-zoom-big-fast-appear-prepare ant-zoom-big-fast ant-tooltip-placement-left"
+          style="--arrow-x: 0px; --arrow-y: 0px; left: -1000vw; top: -1000vh; box-sizing: border-box;"
+        >
+          <div
+            class="ant-tooltip-arrow"
+            style="position: absolute; top: 0px; right: 0px;"
+          />
+          <div
+            class="ant-tooltip-content"
+          >
+            <div
+              class="ant-tooltip-inner"
+              role="tooltip"
+            />
+          </div>
+        </div>
+      </button>
+      <button
+        class="ant-float-btn ant-float-btn-default ant-float-btn-circle"
+        type="button"
+      >
+        <span
+          class="ant-badge"
+        >
+          <div
+            class="ant-float-btn-body"
+          >
+            <div
+              class="ant-float-btn-content"
+            >
+              <div
+                class="ant-float-btn-icon"
+              >
+                <span
+                  aria-label="comment"
+                  class="anticon anticon-comment"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="comment"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <defs>
+                      <style />
+                    </defs>
+                    <path
+                      d="M573 421c-23.1 0-41 17.9-41 40s17.9 40 41 40c21.1 0 39-17.9 39-40s-17.9-40-39-40zm-280 0c-23.1 0-41 17.9-41 40s17.9 40 41 40c21.1 0 39-17.9 39-40s-17.9-40-39-40z"
+                    />
+                    <path
+                      d="M894 345a343.92 343.92 0 00-189-130v.1c-17.1-19-36.4-36.5-58-52.1-163.7-119-393.5-82.7-513 81-96.3 133-92.2 311.9 6 439l.8 132.6c0 3.2.5 6.4 1.5 9.4a31.95 31.95 0 0040.1 20.9L309 806c33.5 11.9 68.1 18.7 102.5 20.6l-.5.4c89.1 64.9 205.9 84.4 313 49l127.1 41.4c3.2 1 6.5 1.6 9.9 1.6 17.7 0 32-14.3 32-32V753c88.1-119.6 90.4-284.9 1-408zM323 735l-12-5-99 31-1-104-8-9c-84.6-103.2-90.2-251.9-11-361 96.4-132.2 281.2-161.4 413-66 132.2 96.1 161.5 280.6 66 412-80.1 109.9-223.5 150.5-348 102zm505-17l-8 10 1 104-98-33-12 5c-56 20.8-115.7 22.5-171 7l-.2-.1A367.31 367.31 0 00729 676c76.4-105.3 88.8-237.6 44.4-350.4l.6.4c23 16.5 44.1 37.1 62 62 72.6 99.6 68.5 235.2-8 330z"
+                    />
+                    <path
+                      d="M433 421c-23.1 0-41 17.9-41 40s17.9 40 41 40c21.1 0 39-17.9 39-40s-17.9-40-39-40z"
+                    />
+                  </svg>
+                </span>
+              </div>
+            </div>
+          </div>
+        </span>
+        <div
+          class="ant-tooltip ant-zoom-big-fast-appear ant-zoom-big-fast-appear-prepare ant-zoom-big-fast ant-tooltip-placement-left"
+          style="--arrow-x: 0px; --arrow-y: 0px; left: -1000vw; top: -1000vh; box-sizing: border-box;"
+        >
+          <div
+            class="ant-tooltip-arrow"
+            style="position: absolute; top: 0px; right: 0px;"
+          />
+          <div
+            class="ant-tooltip-content"
+          >
+            <div
+              class="ant-tooltip-inner"
+              role="tooltip"
+            />
+          </div>
+        </div>
+      </button>
+    </div>
+    <button
+      class="ant-float-btn ant-float-btn-default ant-float-btn-circle"
+      type="button"
+    >
+      <span
+        class="ant-badge"
+      >
+        <div
+          class="ant-float-btn-body"
+        >
+          <div
+            class="ant-float-btn-content"
+          >
+            <div
+              class="ant-float-btn-icon"
+            >
+              <span
+                aria-label="close"
+                class="anticon anticon-close"
+                role="img"
+              >
+                <svg
+                  aria-hidden="true"
+                  data-icon="close"
+                  fill="currentColor"
+                  focusable="false"
+                  height="1em"
+                  viewBox="64 64 896 896"
+                  width="1em"
+                >
+                  <path
+                    d="M563.8 512l262.5-312.9c4.4-5.2.7-13.1-6.1-13.1h-79.8c-4.7 0-9.2 2.1-12.3 5.7L511.6 449.8 295.1 191.7c-3-3.6-7.5-5.7-12.3-5.7H203c-6.8 0-10.5 7.9-6.1 13.1L459.4 512 196.9 824.9A7.95 7.95 0 00203 838h79.8c4.7 0 9.2-2.1 12.3-5.7l216.5-258.1 216.5 258.1c3 3.6 7.5 5.7 12.3 5.7h79.8c6.8 0 10.5-7.9 6.1-13.1L563.8 512z"
+                  />
+                </svg>
+              </span>
+            </div>
+          </div>
+        </div>
+      </span>
+      <div
+        class="ant-tooltip ant-zoom-big-fast-appear ant-zoom-big-fast-appear-prepare ant-zoom-big-fast ant-tooltip-placement-left"
+        style="--arrow-x: 0px; --arrow-y: 0px; left: -1000vw; top: -1000vh; box-sizing: border-box;"
+      >
+        <div
+          class="ant-tooltip-arrow"
+          style="position: absolute; top: 0px; right: 0px;"
+        />
+        <div
+          class="ant-tooltip-content"
+        >
+          <div
+            class="ant-tooltip-inner"
+            role="tooltip"
+          />
+        </div>
+      </div>
+    </button>
+  </div>,
+  <button
+    aria-checked="true"
+    class="ant-switch ant-switch-checked"
+    role="switch"
+    type="button"
+  >
+    <div
+      class="ant-switch-handle"
+    />
+    <span
+      class="ant-switch-inner"
+    >
+      <span
+        class="ant-switch-inner-checked"
+      />
+      <span
+        class="ant-switch-inner-unchecked"
+      />
+    </span>
+  </button>,
+]
+`;
+
 exports[`renders components/float-button/demo/description.tsx extend context correctly 1`] = `
 Array [
   <button
diff --git a/components/float-button/__tests__/__snapshots__/demo.test.ts.snap b/components/float-button/__tests__/__snapshots__/demo.test.ts.snap
index 6ece9b8bd6..fbc7630841 100644
--- a/components/float-button/__tests__/__snapshots__/demo.test.ts.snap
+++ b/components/float-button/__tests__/__snapshots__/demo.test.ts.snap
@@ -501,6 +501,169 @@ exports[`renders components/float-button/demo/basic.tsx correctly 1`] = `
 </button>
 `;
 
+exports[`renders components/float-button/demo/controlled.tsx correctly 1`] = `
+Array [
+  <div
+    class="ant-float-btn-group ant-float-btn-group-circle"
+    style="right:24px"
+  >
+    <div
+      class="ant-float-btn-group-wrap"
+    >
+      <button
+        class="ant-float-btn ant-float-btn-default ant-float-btn-circle"
+        type="button"
+      >
+        <span
+          class="ant-badge"
+        >
+          <div
+            class="ant-float-btn-body"
+          >
+            <div
+              class="ant-float-btn-content"
+            >
+              <div
+                class="ant-float-btn-icon"
+              >
+                <span
+                  aria-label="file-text"
+                  class="anticon anticon-file-text"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="file-text"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <path
+                      d="M854.6 288.6L639.4 73.4c-6-6-14.1-9.4-22.6-9.4H192c-17.7 0-32 14.3-32 32v832c0 17.7 14.3 32 32 32h640c17.7 0 32-14.3 32-32V311.3c0-8.5-3.4-16.7-9.4-22.7zM790.2 326H602V137.8L790.2 326zm1.8 562H232V136h302v216a42 42 0 0042 42h216v494zM504 618H320c-4.4 0-8 3.6-8 8v48c0 4.4 3.6 8 8 8h184c4.4 0 8-3.6 8-8v-48c0-4.4-3.6-8-8-8zM312 490v48c0 4.4 3.6 8 8 8h384c4.4 0 8-3.6 8-8v-48c0-4.4-3.6-8-8-8H320c-4.4 0-8 3.6-8 8z"
+                    />
+                  </svg>
+                </span>
+              </div>
+            </div>
+          </div>
+        </span>
+      </button>
+      <button
+        class="ant-float-btn ant-float-btn-default ant-float-btn-circle"
+        type="button"
+      >
+        <span
+          class="ant-badge"
+        >
+          <div
+            class="ant-float-btn-body"
+          >
+            <div
+              class="ant-float-btn-content"
+            >
+              <div
+                class="ant-float-btn-icon"
+              >
+                <span
+                  aria-label="comment"
+                  class="anticon anticon-comment"
+                  role="img"
+                >
+                  <svg
+                    aria-hidden="true"
+                    data-icon="comment"
+                    fill="currentColor"
+                    focusable="false"
+                    height="1em"
+                    viewBox="64 64 896 896"
+                    width="1em"
+                  >
+                    <defs>
+                      <style />
+                    </defs>
+                    <path
+                      d="M573 421c-23.1 0-41 17.9-41 40s17.9 40 41 40c21.1 0 39-17.9 39-40s-17.9-40-39-40zm-280 0c-23.1 0-41 17.9-41 40s17.9 40 41 40c21.1 0 39-17.9 39-40s-17.9-40-39-40z"
+                    />
+                    <path
+                      d="M894 345a343.92 343.92 0 00-189-130v.1c-17.1-19-36.4-36.5-58-52.1-163.7-119-393.5-82.7-513 81-96.3 133-92.2 311.9 6 439l.8 132.6c0 3.2.5 6.4 1.5 9.4a31.95 31.95 0 0040.1 20.9L309 806c33.5 11.9 68.1 18.7 102.5 20.6l-.5.4c89.1 64.9 205.9 84.4 313 49l127.1 41.4c3.2 1 6.5 1.6 9.9 1.6 17.7 0 32-14.3 32-32V753c88.1-119.6 90.4-284.9 1-408zM323 735l-12-5-99 31-1-104-8-9c-84.6-103.2-90.2-251.9-11-361 96.4-132.2 281.2-161.4 413-66 132.2 96.1 161.5 280.6 66 412-80.1 109.9-223.5 150.5-348 102zm505-17l-8 10 1 104-98-33-12 5c-56 20.8-115.7 22.5-171 7l-.2-.1A367.31 367.31 0 00729 676c76.4-105.3 88.8-237.6 44.4-350.4l.6.4c23 16.5 44.1 37.1 62 62 72.6 99.6 68.5 235.2-8 330z"
+                    />
+                    <path
+                      d="M433 421c-23.1 0-41 17.9-41 40s17.9 40 41 40c21.1 0 39-17.9 39-40s-17.9-40-39-40z"
+                    />
+                  </svg>
+                </span>
+              </div>
+            </div>
+          </div>
+        </span>
+      </button>
+    </div>
+    <button
+      class="ant-float-btn ant-float-btn-default ant-float-btn-circle"
+      type="button"
+    >
+      <span
+        class="ant-badge"
+      >
+        <div
+          class="ant-float-btn-body"
+        >
+          <div
+            class="ant-float-btn-content"
+          >
+            <div
+              class="ant-float-btn-icon"
+            >
+              <span
+                aria-label="close"
+                class="anticon anticon-close"
+                role="img"
+              >
+                <svg
+                  aria-hidden="true"
+                  data-icon="close"
+                  fill="currentColor"
+                  focusable="false"
+                  height="1em"
+                  viewBox="64 64 896 896"
+                  width="1em"
+                >
+                  <path
+                    d="M563.8 512l262.5-312.9c4.4-5.2.7-13.1-6.1-13.1h-79.8c-4.7 0-9.2 2.1-12.3 5.7L511.6 449.8 295.1 191.7c-3-3.6-7.5-5.7-12.3-5.7H203c-6.8 0-10.5 7.9-6.1 13.1L459.4 512 196.9 824.9A7.95 7.95 0 00203 838h79.8c4.7 0 9.2-2.1 12.3-5.7l216.5-258.1 216.5 258.1c3 3.6 7.5 5.7 12.3 5.7h79.8c6.8 0 10.5-7.9 6.1-13.1L563.8 512z"
+                  />
+                </svg>
+              </span>
+            </div>
+          </div>
+        </div>
+      </span>
+    </button>
+  </div>,
+  <button
+    aria-checked="true"
+    class="ant-switch ant-switch-checked"
+    role="switch"
+    type="button"
+  >
+    <div
+      class="ant-switch-handle"
+    />
+    <span
+      class="ant-switch-inner"
+    >
+      <span
+        class="ant-switch-inner-checked"
+      />
+      <span
+        class="ant-switch-inner-unchecked"
+      />
+    </span>
+  </button>,
+]
+`;
+
 exports[`renders components/float-button/demo/description.tsx correctly 1`] = `
 Array [
   <button
diff --git a/components/float-button/__tests__/group.test.tsx b/components/float-button/__tests__/group.test.tsx
index 2458a146e9..bc77d73976 100644
--- a/components/float-button/__tests__/group.test.tsx
+++ b/components/float-button/__tests__/group.test.tsx
@@ -84,4 +84,28 @@ describe('FloatButtonGroup', () => {
     fireEvent.click(container);
     expect(onOpenChange).toHaveBeenCalledTimes(2);
   });
+
+  it('warning if set `open` but not set `trigger`', () => {
+    const warnSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
+
+    render(
+      <FloatButton.Group open trigger="click">
+        <FloatButton />
+        <FloatButton />
+      </FloatButton.Group>,
+    );
+
+    expect(warnSpy).not.toHaveBeenCalled();
+
+    render(
+      <FloatButton.Group open>
+        <FloatButton />
+        <FloatButton />
+      </FloatButton.Group>,
+    );
+    expect(warnSpy).toHaveBeenCalledWith(
+      'Warning: [antd: FloatButton.Group] `open` need to be used together with `trigger`',
+    );
+    warnSpy.mockRestore();
+  });
 });
diff --git a/components/float-button/demo/controlled.md b/components/float-button/demo/controlled.md
new file mode 100644
index 0000000000..ac17a7d163
--- /dev/null
+++ b/components/float-button/demo/controlled.md
@@ -0,0 +1,7 @@
+## zh-CN
+
+通过 `open` 设置组件为受控模式，需要配合 trigger 一起使用。
+
+## en-US
+
+Set the component to controlled mode through `open`, which need to be used together with trigger.
diff --git a/components/float-button/demo/controlled.tsx b/components/float-button/demo/controlled.tsx
new file mode 100644
index 0000000000..d47f8b459e
--- /dev/null
+++ b/components/float-button/demo/controlled.tsx
@@ -0,0 +1,28 @@
+import { CommentOutlined, CustomerServiceOutlined } from '@ant-design/icons';
+import { FloatButton, Switch } from 'antd';
+import React, { useState } from 'react';
+
+const App: React.FC = () => {
+  const [open, setOpen] = useState(true);
+
+  const onChange = (checked: boolean) => {
+    setOpen(checked);
+  };
+
+  return (
+    <>
+      <FloatButton.Group
+        open={open}
+        trigger="click"
+        style={{ right: 24 }}
+        icon={<CustomerServiceOutlined />}
+      >
+        <FloatButton />
+        <FloatButton icon={<CommentOutlined />} />
+      </FloatButton.Group>
+      <Switch onChange={onChange} checked={open} />
+    </>
+  );
+};
+
+export default App;
diff --git a/components/float-button/demo/group-menu.tsx b/components/float-button/demo/group-menu.tsx
index 7954df99f8..0117f56b17 100644
--- a/components/float-button/demo/group-menu.tsx
+++ b/components/float-button/demo/group-menu.tsx
@@ -1,6 +1,6 @@
-import React from 'react';
+import { CommentOutlined, CustomerServiceOutlined } from '@ant-design/icons';
 import { FloatButton } from 'antd';
-import { CustomerServiceOutlined, CommentOutlined } from '@ant-design/icons';
+import React from 'react';
 
 const App: React.FC = () => (
   <>
diff --git a/components/float-button/index.en-US.md b/components/float-button/index.en-US.md
index 9ac546a7bb..10efaded06 100644
--- a/components/float-button/index.en-US.md
+++ b/components/float-button/index.en-US.md
@@ -25,6 +25,7 @@ FloatButton. Available since `5.0.0`.
 <code src="./demo/tooltip.tsx" iframe="360">FloatButton with tooltip</code>
 <code src="./demo/group.tsx" iframe="360">FloatButton Group</code>
 <code src="./demo/group-menu.tsx" iframe="360">Menu mode</code>
+<code src="./demo/controlled.tsx" iframe="360">Controlled mode</code>
 <code src="./demo/back-top.tsx" iframe="360">BackTop</code>
 <code src="./demo/badge.tsx" iframe="360">badge</code>
 <code src="./demo/badge-debug.tsx" iframe="360" debug>debug dot</code>
@@ -54,8 +55,8 @@ FloatButton. Available since `5.0.0`.
 | --- | --- | --- | --- | --- |
 | shape | Setting button shape of children | `circle` \| `square` | `circle` |  |
 | trigger | Which action can trigger menu open/close | `click` \| `hover` | - |  |
-| open | Whether the menu is visible or not | boolean | - |  |
-| onOpenChange | Callback executed when active menu is changed | (open: boolean) => void | - |  |
+| open | Whether the menu is visible or not, use it with trigger | boolean | - |  |
+| onOpenChange | Callback executed when active menu is changed, use it with trigger | (open: boolean) => void | - |  |
 
 ### FloatButton.BackTop
 
diff --git a/components/float-button/index.zh-CN.md b/components/float-button/index.zh-CN.md
index dfa41a178d..47d8cd4ceb 100644
--- a/components/float-button/index.zh-CN.md
+++ b/components/float-button/index.zh-CN.md
@@ -26,6 +26,7 @@ demo:
 <code src="./demo/tooltip.tsx" iframe="360">含有气泡卡片的悬浮按钮</code>
 <code src="./demo/group.tsx" iframe="360">浮动按钮组</code>
 <code src="./demo/group-menu.tsx" iframe="360">菜单模式</code>
+<code src="./demo/controlled.tsx" iframe="360">受控模式</code>
 <code src="./demo/back-top.tsx" iframe="360">回到顶部</code>
 <code src="./demo/badge.tsx" iframe="360">徽标数</code>
 <code src="./demo/badge-debug.tsx" iframe="360" debug>调试小圆点使用</code>
@@ -51,12 +52,12 @@ demo:
 
 ### FloatButton.Group
 
-| 参数         | 说明                             | 类型                    | 默认值   | 版本 |
-| ------------ | -------------------------------- | ----------------------- | -------- | ---- |
-| shape        | 设置包含的 FloatButton 按钮形状  | `circle` \| `square`    | `circle` |      |
-| trigger      | 触发方式（有触发方式为菜单模式） | `click` \| `hover`      | -        |      |
-| open         | 受控展开                         | boolean                 | -        |      |
-| onOpenChange | 展开收起时的回调                 | (open: boolean) => void | -        |      |
+| 参数 | 说明 | 类型 | 默认值 | 版本 |
+| --- | --- | --- | --- | --- |
+| shape | 设置包含的 FloatButton 按钮形状 | `circle` \| `square` | `circle` |  |
+| trigger | 触发方式（有触发方式为菜单模式） | `click` \| `hover` | - |  |
+| open | 受控展开，需配合 trigger 一起使用 | boolean | - |  |
+| onOpenChange | 展开收起时的回调，需配合 trigger 一起使用 | (open: boolean) => void | - |  |
 
 ### FloatButton.BackTop