diff --git a/components/float-button/__tests__/index.test.tsx b/components/float-button/__tests__/index.test.tsx
index 4ab7800b33..c4fddca2e6 100644
--- a/components/float-button/__tests__/index.test.tsx
+++ b/components/float-button/__tests__/index.test.tsx
@@ -70,4 +70,16 @@ describe('FloatButton', () => {
     const result2 = getOffset(1);
     expect(result2).not.toBe(0);
   });
+
+  it('support badge number', () => {
+    const { container } = render(<FloatButton badge={{ count: 10 }} />);
+    const badgeElement = container?.querySelector<HTMLSpanElement>('.ant-float-btn .ant-badge');
+    expect(badgeElement?.querySelector<HTMLElement>('.ant-badge-count')).toBeTruthy();
+  });
+
+  it('support badge dot', () => {
+    const { container } = render(<FloatButton badge={{ dot: true }} />);
+    const badgeElement = container?.querySelector<HTMLSpanElement>('.ant-float-btn .ant-badge');
+    expect(badgeElement?.querySelector<HTMLElement>('.ant-badge-dot')).toBeTruthy();
+  });
 });
diff --git a/components/float-button/index.en-US.md b/components/float-button/index.en-US.md
index e54ec81b3b..3fc4abdf95 100644
--- a/components/float-button/index.en-US.md
+++ b/components/float-button/index.en-US.md
@@ -46,7 +46,7 @@ FloatButton. Available since `5.0.0`.
 | onClick | Set the handler to handle `click` event | (event) => void | - |  |
 | href | The target of hyperlink | string | - |  |
 | target | Specifies where to display the linked URL | string | - |  |
-| badge | float-button with round logo number | refer [badge](/components/badge#api) | - | 5.4.0 |
+| badge | Attach Badge to FloatButton. `status` `size` and other props related are not supported. | [BadgeProps](/components/badge#api) | - | 5.4.0 |
 
 ### FloatButton.Group
 
diff --git a/components/float-button/index.zh-CN.md b/components/float-button/index.zh-CN.md
index 8b9100eb1b..5dc9e163c3 100644
--- a/components/float-button/index.zh-CN.md
+++ b/components/float-button/index.zh-CN.md
@@ -47,7 +47,7 @@ demo:
 | onClick | 点击按钮时的回调 | (event) => void | - |  |
 | href | 点击跳转的地址，指定此属性 button 的行为和 a 链接一致 | string | - |  |
 | target | 相当于 a 标签的 target 属性，href 存在时生效 | string | - |  |
-| badge | 带圆形徽标数字的悬浮按钮 | 参考[badge](/components/badge-cn#api) | - | 5.4.0 |
+| badge | 带徽标数字的悬浮按钮（不支持 `status` `size` 以及相关属性） | [BadgeProps](/components/badge-cn#api) | - | 5.4.0 |
 
 ### FloatButton.Group