diff --git a/packages/theme-chalk/src/checkbox.scss b/packages/theme-chalk/src/checkbox.scss
index 44f97fec96..1850dce457 100644
--- a/packages/theme-chalk/src/checkbox.scss
+++ b/packages/theme-chalk/src/checkbox.scss
@@ -3,10 +3,54 @@
 @import "mixins/_button";
 @import "mixins/utils";
 
+:root {
+  --el-checkbox-font-size: 14px;
+  --el-checkbox-font-weight: var(--el-font-weight-primary);
+  --el-checkbox-font-color: var(--el-color-text-regular);
+  --el-checkbox-input-height: 14px;
+  --el-checkbox-input-width: 14px;
+  --el-checkbox-border-radius: var(--el-border-radius-small);
+  --el-checkbox-background-color: var(--el-color-white);
+  --el-checkbox-input-border: var(--el-border-base);
+
+  --el-checkbox-disabled-border-color: var(--el-border-color-base);
+  --el-checkbox-disabled-input-fill: #edf2fc;
+  --el-checkbox-disabled-icon-color: var(--el-color-text-placeholder);
+
+  --el-checkbox-disabled-checked-input-fill: var(--el-border-color-extra-light);
+  --el-checkbox-disabled-checked-input-border-color: var(--el-border-color-base);
+  --el-checkbox-disabled-checked-icon-color: var(--el-color-text-placeholder);
+
+  --el-checkbox-checked-font-color: var(--el-color-primary);
+  --el-checkbox-checked-input-border-color: var(--el-color-primary);
+  --el-checkbox-checked-background-color: var(--el-color-primary);
+  --el-checkbox-checked-icon-color: var(--el-fill-base);
+
+  --el-checkbox-input-border-color-hover: var(--el-color-primary);
+  --el-checkbox-bordered-height: 40px;
+  --el-checkbox-bordered-padding: 9px 20px 9px 10px;
+  --el-checkbox-bordered-medium-padding: 7px 20px 7px 10px;
+  --el-checkbox-bordered-small-padding: 5px 15px 5px 10px;
+  --el-checkbox-bordered-mini-padding: 3px 15px 3px 10px;
+  --el-checkbox-bordered-medium-input-height: 14px;
+  --el-checkbox-bordered-medium-input-width: 14px;
+  --el-checkbox-bordered-medium-height: 36px;
+  --el-checkbox-bordered-small-input-height: 12px;
+  --el-checkbox-bordered-small-input-width: 12px;
+  --el-checkbox-bordered-small-height: 32px;
+  --el-checkbox-bordered-mini-input-height: 12px;
+  --el-checkbox-bordered-mini-input-width: 12px;
+  --el-checkbox-bordered-mini-height: 28px;
+
+  --el-checkbox-button-checked-background-color: var(--el-color-primary);
+  --el-checkbox-button-checked-font-color: var(--el-color-white);
+  --el-checkbox-button-checked-border-color: var(--el-color-primary);
+}
+
 @include b(checkbox) {
-  color: $--checkbox-font-color;
-  font-weight: $--checkbox-font-weight;
-  font-size: $--font-size-base;
+  color: var(--el-checkbox-font-color);
+  font-weight: var(--el-checkbox-font-weight);
+  font-size: var(--el-font-size-base);
   position: relative;
   cursor: pointer;
   display: inline-block;
@@ -15,19 +59,19 @@
   margin-right: 30px;
 
   @include when(bordered) {
-    padding: $--checkbox-bordered-padding;
-    border-radius: $--border-radius-base;
-    border: $--border-base;
+    padding: var(--el-checkbox-bordered-padding);
+    border-radius: var(--el-border-radius-base);
+    border: var(--el-border-base);
     box-sizing: border-box;
     line-height: normal;
-    height: $--checkbox-bordered-height;
+    height: var(--el-checkbox-bordered-height);
 
     &.is-checked {
-      border-color: $--color-primary;
+      border-color: var(--el-color-primary);
     }
 
     &.is-disabled {
-      border-color: $--border-color-lighter;
+      border-color: var(--el-border-color-lighter);
       cursor: not-allowed;
     }
 
@@ -36,9 +80,9 @@
     }
 
     &.#{$namespace}-checkbox--medium {
-      padding: $--checkbox-bordered-medium-padding;
+      padding: var(--el-checkbox-bordered-medium-padding);
       border-radius: $--button-medium-border-radius;
-      height: $--checkbox-bordered-medium-height;
+      height: var(--el-checkbox-bordered-medium-height);
 
       .#{$namespace}-checkbox__label {
         line-height: 17px;
@@ -46,15 +90,15 @@
       }
 
       .#{$namespace}-checkbox__inner {
-        height: $--checkbox-bordered-medium-input-height;
-        width: $--checkbox-bordered-medium-input-width;
+        height: var(--el-checkbox-bordered-medium-input-height);
+        width: var(--el-checkbox-bordered-medium-input-width);
       }
     }
 
     &.#{$namespace}-checkbox--small {
-      padding: $--checkbox-bordered-small-padding;
+      padding: var(--el-checkbox-bordered-small-padding);
       border-radius: $--button-small-border-radius;
-      height: $--checkbox-bordered-small-height;
+      height: var(--el-checkbox-bordered-small-height);
 
       .#{$namespace}-checkbox__label {
         line-height: 15px;
@@ -62,8 +106,8 @@
       }
 
       .#{$namespace}-checkbox__inner {
-        height: $--checkbox-bordered-small-input-height;
-        width: $--checkbox-bordered-small-input-width;
+        height: var(--el-checkbox-bordered-small-input-height);
+        width: var(--el-checkbox-bordered-small-input-width);
 
         &::after {
           height: 6px;
@@ -73,9 +117,9 @@
     }
 
     &.#{$namespace}-checkbox--mini {
-      padding: $--checkbox-bordered-mini-padding;
+      padding: var(--el-checkbox-bordered-mini-padding);
       border-radius: $--button-mini-border-radius;
-      height: $--checkbox-bordered-mini-height;
+      height: var(--el-checkbox-bordered-mini-height);
 
       .#{$namespace}-checkbox__label {
         line-height: 12px;
@@ -83,8 +127,8 @@
       }
 
       .#{$namespace}-checkbox__inner {
-        height: $--checkbox-bordered-mini-input-height;
-        width: $--checkbox-bordered-mini-input-width;
+        height: var(--el-checkbox-bordered-mini-input-height);
+        width: var(--el-checkbox-bordered-mini-input-width);
         &::after {
           height: 6px;
           width: 2px;
@@ -104,13 +148,13 @@
 
     @include when(disabled) {
       .#{$namespace}-checkbox__inner {
-        background-color: $--checkbox-disabled-input-fill;
-        border-color: $--checkbox-disabled-border-color;
+        background-color: var(--el-checkbox-disabled-input-fill);
+        border-color: var(--el-checkbox-disabled-border-color);
         cursor: not-allowed;
 
         &::after {
           cursor: not-allowed;
-          border-color: $--checkbox-disabled-icon-color;
+          border-color: var(--el-checkbox-disabled-icon-color);
         }
 
         & + .#{$namespace}-checkbox__label {
@@ -120,23 +164,23 @@
 
       &.is-checked {
         .#{$namespace}-checkbox__inner {
-          background-color: $--checkbox-disabled-checked-input-fill;
-          border-color: $--checkbox-disabled-checked-input-border-color;
+          background-color: var(--el-checkbox-disabled-checked-input-fill);
+          border-color: var(--el-checkbox-disabled-checked-input-border-color);
 
           &::after {
-            border-color: $--checkbox-disabled-checked-icon-color;
+            border-color: var(--el-checkbox-disabled-checked-icon-color);
           }
         }
       }
 
       &.is-indeterminate {
         .#{$namespace}-checkbox__inner {
-          background-color: $--checkbox-disabled-checked-input-fill;
-          border-color: $--checkbox-disabled-checked-input-border-color;
+          background-color: var(--el-checkbox-disabled-checked-input-fill);
+          border-color: var(--el-checkbox-disabled-checked-input-border-color);
 
           &::before {
-            background-color: $--checkbox-disabled-checked-icon-color;
-            border-color: $--checkbox-disabled-checked-icon-color;
+            background-color: var(--el-checkbox-disabled-checked-icon-color);
+            border-color: var(--el-checkbox-disabled-checked-icon-color);
           }
         }
       }
@@ -149,8 +193,8 @@
 
     @include when(checked) {
       .#{$namespace}-checkbox__inner {
-        background-color: $--checkbox-checked-background-color;
-        border-color: $--checkbox-checked-input-border-color;
+        background-color: var(--el-checkbox-checked-background-color);
+        border-color: var(--el-checkbox-checked-input-border-color);
 
         &::after {
           transform: rotate(45deg) scaleY(1);
@@ -158,24 +202,24 @@
       }
 
       & + .#{$namespace}-checkbox__label {
-        color: $--checkbox-checked-font-color;
+        color: var(--el-checkbox-checked-font-color);
       }
     }
     @include when(focus) { /*focus时 视觉上区分*/
       .#{$namespace}-checkbox__inner {
-        border-color: $--checkbox-input-border-color-hover;
+        border-color: var(--el-checkbox-input-border-color-hover);
       }
     }
     @include when(indeterminate) {
       .#{$namespace}-checkbox__inner {
-        background-color: $--checkbox-checked-background-color;
-        border-color: $--checkbox-checked-input-border-color;
+        background-color: var(--el-checkbox-checked-background-color);
+        border-color: var(--el-checkbox-checked-input-border-color);
 
         &::before {
           content: '';
           position: absolute;
           display: block;
-          background-color: $--checkbox-checked-icon-color;
+          background-color: var(--el-checkbox-checked-icon-color);
           height: 2px;
           transform: scale(0.5);
           left: 0;
@@ -192,24 +236,24 @@
   @include e(inner) {
     display: inline-block;
     position: relative;
-    border: $--checkbox-input-border;
-    border-radius: $--checkbox-border-radius;
+    border: var(--el-checkbox-input-border);
+    border-radius: var(--el-checkbox-border-radius);
     box-sizing: border-box;
-    width: $--checkbox-input-width;
-    height: $--checkbox-input-height;
-    background-color: $--checkbox-background-color;
+    width: var(--el-checkbox-input-width);
+    height: var(--el-checkbox-input-height);
+    background-color: var(--el-checkbox-background-color);
     z-index: var(--el-index-normal);
     transition: border-color .25s cubic-bezier(.71,-.46,.29,1.46),
     background-color .25s cubic-bezier(.71,-.46,.29,1.46);
 
     &:hover {
-      border-color: $--checkbox-input-border-color-hover;
+      border-color: var(--el-checkbox-input-border-color-hover);
     }
 
     &::after {
       box-sizing: content-box;
       content: "";
-      border: 1px solid $--checkbox-checked-icon-color;
+      border: 1px solid var(--el-checkbox-checked-icon-color);
       border-left: 0;
       border-top: 0;
       height: 7px;
@@ -237,7 +281,7 @@
     display: inline-block;
     padding-left: 10px;
     line-height: 19px;
-    font-size: $--checkbox-font-size;
+    font-size: var(--el-checkbox-font-size);
   }
 
   &:last-of-type {
@@ -252,7 +296,7 @@
   @include e(inner) {
     display: inline-block;
     line-height: 1;
-    font-weight: $--checkbox-font-weight;
+    font-weight: var(--el-checkbox-font-weight);
     white-space: nowrap;
     vertical-align: middle;
     cursor: pointer;
@@ -272,7 +316,7 @@
     @include button-size($--button-padding-vertical, $--button-padding-horizontal, $--button-font-size, 0);
 
     &:hover {
-      color: $--color-primary;
+      color: var(--el-color-primary);
     }
 
     & [class*="#{$namespace}-icon-"] {
@@ -294,13 +338,13 @@
 
   &.is-checked {
     & .#{$namespace}-checkbox-button__inner {
-      color: $--checkbox-button-checked-font-color;
-      background-color: $--checkbox-button-checked-background-color;
-      border-color: $--checkbox-button-checked-border-color;
-      box-shadow: -1px 0 0 0 $--color-primary-light-4;
+      color: var(--el-checkbox-button-checked-font-color);
+      background-color: var(--el-checkbox-button-checked-background-color);
+      border-color: var(--el-checkbox-button-checked-border-color);
+      box-shadow: -1px 0 0 0 var(--el-color-primary-light-4);
     }
     &:first-child .#{$namespace}-checkbox-button__inner {
-      border-left-color: $--checkbox-button-checked-border-color;
+      border-left-color: var(--el-checkbox-button-checked-border-color);
     }
   }
 
@@ -328,7 +372,7 @@
 
   &.is-focus {
     & .#{$namespace}-checkbox-button__inner {
-      border-color: $--checkbox-button-checked-border-color;
+      border-color: var(--el-checkbox-button-checked-border-color);
     }
   }
 
@@ -337,6 +381,7 @@
       border-radius: 0 $--border-radius-base $--border-radius-base 0;
     }
   }
+
   @include m(medium) {
     .#{$namespace}-checkbox-button__inner {
       @include button-size($--button-medium-padding-vertical, $--button-medium-padding-horizontal, $--button-medium-font-size, 0);
diff --git a/packages/theme-chalk/src/common/var.scss b/packages/theme-chalk/src/common/var.scss
index 49bd4ef647..a843dd04de 100644
--- a/packages/theme-chalk/src/common/var.scss
+++ b/packages/theme-chalk/src/common/var.scss
@@ -132,67 +132,9 @@ $--disabled-border-base: $--border-color-light !default;
 
 /* Checkbox
 -------------------------- */
-/// fontSize||Font|1
-$--checkbox-font-size: 14px !default;
-/// fontWeight||Font|1
-$--checkbox-font-weight: $--font-weight-primary !default;
-/// color||Color|0
-$--checkbox-font-color: $--color-text-regular !default;
-$--checkbox-input-height: 14px !default;
-$--checkbox-input-width: 14px !default;
-/// borderRadius||Border|2
-$--checkbox-border-radius: $--border-radius-small !default;
-/// color||Color|0
-$--checkbox-background-color: $--color-white !default;
-$--checkbox-input-border: $--border-base !default;
-
-/// color||Color|0
-$--checkbox-disabled-border-color: $--border-color-base !default;
-$--checkbox-disabled-input-fill: #edf2fc !default;
-$--checkbox-disabled-icon-color: $--color-text-placeholder !default;
-
-$--checkbox-disabled-checked-input-fill: $--border-color-extra-light !default;
-$--checkbox-disabled-checked-input-border-color: $--border-color-base !default;
-$--checkbox-disabled-checked-icon-color: $--color-text-placeholder !default;
-
-/// color||Color|0
-$--checkbox-checked-font-color: $--color-primary !default;
-$--checkbox-checked-input-border-color: $--color-primary !default;
-/// color||Color|0
-$--checkbox-checked-background-color: $--color-primary !default;
-$--checkbox-checked-icon-color: $--fill-base !default;
-
-$--checkbox-input-border-color-hover: $--color-primary !default;
-/// height||Other|4
-$--checkbox-bordered-height: 40px !default;
-/// padding||Spacing|3
-$--checkbox-bordered-padding: 9px 20px 9px 10px !default;
-/// padding||Spacing|3
-$--checkbox-bordered-medium-padding: 7px 20px 7px 10px !default;
-/// padding||Spacing|3
-$--checkbox-bordered-small-padding: 5px 15px 5px 10px !default;
-/// padding||Spacing|3
-$--checkbox-bordered-mini-padding: 3px 15px 3px 10px !default;
-$--checkbox-bordered-medium-input-height: 14px !default;
-$--checkbox-bordered-medium-input-width: 14px !default;
-/// height||Other|4
-$--checkbox-bordered-medium-height: 36px !default;
-$--checkbox-bordered-small-input-height: 12px !default;
-$--checkbox-bordered-small-input-width: 12px !default;
-/// height||Other|4
-$--checkbox-bordered-small-height: 32px !default;
-$--checkbox-bordered-mini-input-height: 12px !default;
-$--checkbox-bordered-mini-input-width: 12px !default;
-/// height||Other|4
-$--checkbox-bordered-mini-height: 28px !default;
-
-/// color||Color|0
-$--checkbox-button-checked-background-color: $--color-primary !default;
-/// color||Color|0
-$--checkbox-button-checked-font-color: $--color-white !default;
-/// color||Color|0
-$--checkbox-button-checked-border-color: $--color-primary !default;
 
+// Checkbox
+// See packages/theme-chalk/src/checkbox.scss
 
 /* Radio
 -------------------------- */