diff --git a/src/picker-item/picker-item.less b/src/picker-item/picker-item.less
index 9a1118e49..460c8214c 100644
--- a/src/picker-item/picker-item.less
+++ b/src/picker-item/picker-item.less
@@ -6,6 +6,7 @@
 @picker-item-height: var(--td-picker-item-height, 80rpx);
 @picker-item-color: var(--td-picker-item-color, @text-color-secondary);
 @picker-item-active-color: var(--td-picker-item-active-color, @text-color-primary);
+@picker-item-font-size: var(--td-picker-item-font-size, @font-size-m);
 
 :host {
   display: flex;
@@ -32,6 +33,7 @@
     text-overflow: ellipsis;
     overflow: hidden;
     color: @picker-item-color;
+    font-size: @picker-item-font-size;
 
     &--active {
       color: @picker-item-active-color;
diff --git a/src/picker/README.md b/src/picker/README.md
index 275124ddc..3595193de 100644
--- a/src/picker/README.md
+++ b/src/picker/README.md
@@ -106,4 +106,5 @@ options | Array | [] | 数据源。TS 类型：`PickerItemOption[]` `interface P
 --td-picker-toolbar-height | 116rpx | - 
 --td-picker-item-active-color | @font-gray-1 | - 
 --td-picker-item-color | @font-gray-2 | - 
+--td-picker-item-font-size | @font-size-m | -
 --td-picker-item-height | 80rpx | -
\ No newline at end of file