diff --git a/packages/amis-core/__tests__/utils/math.test.ts b/packages/amis-core/__tests__/utils/math.test.ts
index 8372dc405..96101a38a 100644
--- a/packages/amis-core/__tests__/utils/math.test.ts
+++ b/packages/amis-core/__tests__/utils/math.test.ts
@@ -1,4 +1,4 @@
-import {safeAdd, safeSub} from '../../src/utils/math';
+import {safeAdd, safeSub, numberFormatter} from '../../src/utils/math';
 
 test(`math safeAdd:test`, () => {
   expect(safeAdd(0.1, 0.2)).toEqual(0.3);
@@ -13,3 +13,14 @@ test(`math safeSub:test`, () => {
   expect(safeAdd(NaN, 1)).toEqual(NaN);
   expect(safeAdd(NaN, NaN)).toEqual(NaN);
 });
+
+test('numberFormatter:test', () => {
+  expect(numberFormatter(0)).toEqual('0');
+  expect(numberFormatter(0, 2)).toEqual('0.00');
+  expect(numberFormatter(0, 8)).toEqual('0.00000000');
+  expect(numberFormatter(123456)).toEqual('123,456');
+  expect(numberFormatter(123456, 2)).toEqual('123,456.00');
+  expect(numberFormatter(1234567890000)).toEqual('1,234,567,890,000');
+  expect(numberFormatter(1234567890000, 4)).toEqual('1,234,567,890,000.0000');
+  expect(numberFormatter(1000000000000000)).toEqual('1,000,000,000,000,000');
+});
diff --git a/packages/amis-core/src/utils/math.ts b/packages/amis-core/src/utils/math.ts
index c16a41d79..d77c29027 100644
--- a/packages/amis-core/src/utils/math.ts
+++ b/packages/amis-core/src/utils/math.ts
@@ -30,3 +30,13 @@ export function safeSub(arg1: number, arg2: number) {
   maxDigits = Math.pow(10, Math.max(digits1, digits2));
   return (arg1 * maxDigits - arg2 * maxDigits) / maxDigits;
 }
+
+export function numberFormatter(num: number | string, precision: number = 0) {
+  const ZERO = 0;
+  const number = +num;
+  if (typeof number === 'number' && !isNaN(number)) {
+    const regexp = precision ? /(\d)(?=(\d{3})+\.)/g : /(\d)(?=(\d{3})+$)/g;
+    return number.toFixed(precision).replace(regexp, '$1,');
+  }
+  return ZERO.toFixed(precision);
+}
diff --git a/packages/amis/src/renderers/Form/InputNumber.tsx b/packages/amis/src/renderers/Form/InputNumber.tsx
index cb98ddb7b..a7f78b268 100644
--- a/packages/amis/src/renderers/Form/InputNumber.tsx
+++ b/packages/amis/src/renderers/Form/InputNumber.tsx
@@ -13,6 +13,8 @@ import {
   filter,
   autobind,
   createObject,
+  numberFormatter,
+  safeSub,
   normalizeOptions,
   Option,
   PlainObject,
@@ -96,8 +98,6 @@ export interface NumberControlSchema extends FormBaseControlSchema {
   displayMode?: 'base' | 'enhance';
 }
 
-const numberFormatter = new Intl.NumberFormat();
-
 export interface NumberProps extends FormControlProps {
   placeholder?: string;
   max?: number | string;
@@ -150,6 +150,7 @@ interface NumberState {
   // 数字单位，将会影响输出
   unit?: string;
   unitOptions?: Option[];
+  inputing: boolean;
 }
 
 export type InputNumberRendererEvent = 'blur' | 'focus' | 'change';
@@ -163,7 +164,8 @@ export default class NumberControl extends React.Component<
   static defaultProps: Partial<NumberProps> = {
     step: 1,
     resetValue: '',
-    clearValueOnEmpty: false
+    clearValueOnEmpty: false,
+    inputing: false
   };
 
   constructor(props: NumberProps) {
@@ -198,7 +200,7 @@ export default class NumberControl extends React.Component<
       }
     }
 
-    this.state = {unit, unitOptions};
+    this.state = {unit, unitOptions, inputing: false};
   }
 
   /**
@@ -389,18 +391,17 @@ export default class NumberControl extends React.Component<
       id,
       env
     } = this.props;
+    const {inputing, unit} = this.state;
     const finalPrecision = this.filterNum(precision);
-    const unit = this.state?.unit;
     // 数据格式化
     const formatter =
       kilobitSeparator || prefix || suffix
         ? (value: string | number) => {
             // 增加千分分隔
             if (kilobitSeparator && value) {
-              value = numberFormatter.format(value as number);
+              value = numberFormatter(value, finalPrecision);
             }
-
-            return (prefix ? prefix : '') + value + (suffix ? suffix : '');
+            return `${prefix || ''}${value}${suffix || ''}`;
           }
         : undefined;
     // 将数字还原
@@ -436,7 +437,7 @@ export default class NumberControl extends React.Component<
           step={step}
           max={this.filterNum(max, big)}
           min={this.filterNum(min, big)}
-          formatter={formatter}
+          formatter={!inputing ? formatter : undefined}
           parser={parser}
           onChange={this.handleChange}
           disabled={disabled}
@@ -445,8 +446,14 @@ export default class NumberControl extends React.Component<
           showSteps={showSteps}
           borderMode={borderMode}
           readOnly={readOnly}
-          onFocus={() => this.dispatchEvent('focus')}
-          onBlur={() => this.dispatchEvent('blur')}
+          onFocus={() => {
+            this.setState({inputing: true});
+            this.dispatchEvent('focus');
+          }}
+          onBlur={() => {
+            this.setState({inputing: false});
+            this.dispatchEvent('blur');
+          }}
           keyboard={keyboard}
           displayMode={displayMode}
           big={big}