diff --git a/components/style/themes/default.less b/components/style/themes/default.less
index cd518c6d38..4f3fe87738 100644
--- a/components/style/themes/default.less
+++ b/components/style/themes/default.less
@@ -171,8 +171,8 @@
 @switch-fill-android: @brand-primary;
 
 // tag
-@tag-height: 48px;
-@tag-height-sm: 28px;
+@tag-height: 50px;
+@tag-height-sm: 30px;
 @tag-color: @brand-primary;
 
 // table
diff --git a/components/style/themes/default.tsx b/components/style/themes/default.tsx
index 7478748dc9..7238858ea8 100644
--- a/components/style/themes/default.tsx
+++ b/components/style/themes/default.tsx
@@ -169,8 +169,8 @@ export default {
   switch_fill: '#4dd865',
 
   // tag
-  tag_height: 24,
-  tag_small_height: 14,
+  tag_height: 25,
+  tag_small_height: 15,
 
   // table
   table_title_height: 30,
diff --git a/components/tag/style/index.less b/components/tag/style/index.less
index b598673680..ae4dc34a31 100644
--- a/components/tag/style/index.less
+++ b/components/tag/style/index.less
@@ -4,14 +4,15 @@
 @tagPrefixCls: am-tag;
 
 .@{tagPrefixCls} {
-  border-radius: @radius-sm;
   display: inline-block;
   position: relative;
   font-size: @font-size-base;
-  padding: 0 @h-spacing-lg;
   text-align: center;
+  padding: 0 @h-spacing-lg;
   height: @tag-height;
   line-height: @tag-height;
+  border-radius: @radius-sm;
+  box-sizing: border-box;
 
   &&-small {
     height: @tag-height-sm;