diff --git a/components/button/style/index.ts b/components/button/style/index.ts
index 42adc9054e..3260e5f7f9 100644
--- a/components/button/style/index.ts
+++ b/components/button/style/index.ts
@@ -698,7 +698,6 @@ const genButtonStyle = (token: ButtonToken, prefixCls = ''): CSSInterpolation =>
 
           [iconCls]: {
             fontSize: buttonIconOnlyFontSize,
-            verticalAlign: 'calc(-0.125em - 1px)',
           },
         },
       },
diff --git a/components/button/style/token.ts b/components/button/style/token.ts
index 5896ac408c..42f476994b 100644
--- a/components/button/style/token.ts
+++ b/components/button/style/token.ts
@@ -160,17 +160,17 @@ export interface ComponentToken {
    * @desc 只有图标的按钮图标尺寸
    * @descEN Icon size of button which only contains icon
    */
-  onlyIconSize: number;
+  onlyIconSize: number | string;
   /**
    * @desc 大号只有图标的按钮图标尺寸
    * @descEN Icon size of large button which only contains icon
    */
-  onlyIconSizeLG: number;
+  onlyIconSizeLG: number | string;
   /**
    * @desc 小号只有图标的按钮图标尺寸
    * @descEN Icon size of small button which only contains icon
    */
-  onlyIconSizeSM: number;
+  onlyIconSizeSM: number | string;
   /**
    * @desc 按钮组边框颜色
    * @descEN Border color of button group
@@ -233,7 +233,7 @@ export interface ButtonToken extends FullToken<'Button'> {
    * @desc 只有图标的按钮图标尺寸
    * @descEN Icon size of button which only contains icon
    */
-  buttonIconOnlyFontSize: number;
+  buttonIconOnlyFontSize: number | string;
 }
 
 export const prepareToken: (token: Parameters<GenStyleFn<'Button'>>[0]) => ButtonToken = (
@@ -275,9 +275,9 @@ export const prepareComponentToken: GetDefaultToken<'Button'> = (token) => {
     paddingInline: token.paddingContentHorizontal - token.lineWidth,
     paddingInlineLG: token.paddingContentHorizontal - token.lineWidth,
     paddingInlineSM: 8 - token.lineWidth,
-    onlyIconSize: token.fontSizeLG,
-    onlyIconSizeSM: token.fontSizeLG - 2,
-    onlyIconSizeLG: token.fontSizeLG + 2,
+    onlyIconSize: 'inherit',
+    onlyIconSizeSM: 'inherit',
+    onlyIconSizeLG: 'inherit',
     groupBorderColor: token.colorPrimaryHover,
     linkHoverBg: 'transparent',
     textTextColor: token.colorText,