diff --git a/packages/field/index.js b/packages/field/index.js
index cb82fc55a..6054872c8 100644
--- a/packages/field/index.js
+++ b/packages/field/index.js
@@ -67,10 +67,7 @@ export default sfc({
       const { labelWidth } = this;
       if (labelWidth) {
         const width = isNumber(String(labelWidth)) ? `${labelWidth}px` : labelWidth;
-        return {
-          maxWidth: width,
-          minWidth: width
-        };
+        return { width };
       }
     }
   },
diff --git a/packages/field/index.less b/packages/field/index.less
index f262898e5..8d932835f 100644
--- a/packages/field/index.less
+++ b/packages/field/index.less
@@ -2,7 +2,8 @@
 
 .van-field {
   &__label {
-    max-width: @field-label-max-width;
+    flex: none;
+    width: @field-label-width;
 
     &--center {
       text-align: center;
diff --git a/packages/field/test/__snapshots__/index.spec.js.snap b/packages/field/test/__snapshots__/index.spec.js.snap
index d7de2096e..813d0fc81 100644
--- a/packages/field/test/__snapshots__/index.spec.js.snap
+++ b/packages/field/test/__snapshots__/index.spec.js.snap
@@ -19,7 +19,7 @@ exports[`clearable 2`] = `
 
 exports[`label-width prop with unit 1`] = `
 <div class="van-cell van-field">
-  <div class="van-cell__title van-field__label" style="max-width: 10rem; min-width: 10rem;"><span>Label</span></div>
+  <div class="van-cell__title van-field__label" style="width: 10rem;"><span>Label</span></div>
   <div class="van-cell__value">
     <div class="van-field__body"><input type="text" class="van-field__control"></div>
   </div>
@@ -28,7 +28,7 @@ exports[`label-width prop with unit 1`] = `
 
 exports[`label-width prop without unit 1`] = `
 <div class="van-cell van-field">
-  <div class="van-cell__title van-field__label" style="max-width: 100px; min-width: 100px;"><span>Label</span></div>
+  <div class="van-cell__title van-field__label" style="width: 100px;"><span>Label</span></div>
   <div class="van-cell__value">
     <div class="van-field__body"><input type="text" class="van-field__control"></div>
   </div>
diff --git a/packages/style/var.less b/packages/style/var.less
index fb812357e..f248f1ab8 100644
--- a/packages/style/var.less
+++ b/packages/style/var.less
@@ -150,7 +150,7 @@
 @dialog-confirm-button-text-color: @blue;
 
 // Field
-@field-label-max-width: 90px;
+@field-label-width: 90px;
 @field-input-text-color: @text-color;
 @field-input-error-text-color: @red;
 @field-input-disabled-text-color: @gray-dark;