diff --git a/src/api/events/types.ts b/src/api/events/types.ts
index d7e25cd..4095c5c 100644
--- a/src/api/events/types.ts
+++ b/src/api/events/types.ts
@@ -76,6 +76,10 @@ export interface EventListQueryParams {
   idCardImg?: string;
   /** 是否要求提供证件号码；0=无需，1=需要 */
   idCardNo?: string;
+  /** 报名人数起始（含） */
+  scBegin?: string;
+  /** 报名人数结束（含） */
+  scEnd?: string;
 }
 
 /** 分页数据 */
diff --git a/src/pages/events/list/index.tsx b/src/pages/events/list/index.tsx
index b2abbff..e7bed13 100644
--- a/src/pages/events/list/index.tsx
+++ b/src/pages/events/list/index.tsx
@@ -20,6 +20,8 @@ import {
 } from './model/useEventListModel';
 import { useEventListColumns } from './model/useEventListColumns';
 import { getProvinceCityCascaderOptions } from '@/utils/areaData';
+import { toIntegerOnly } from '@/utils/form';
+import { handleIntegerInput, handleIntegerBlur, blockNonDigitKey } from './model/integerInput';
 import { useContainerSize } from '@/hooks';
 import { usePermissionStore } from '@/stores/permissionStore';
 import EventRegulationModal from './components/EventRegulationModal';
@@ -266,6 +268,43 @@ export default defineComponent({
                 onUpdate:value={(val: any) => (filterForm.region = val || [])}
               />
             </Form.Item>
+            <Form.Item label="报名人数">
+              <Space.Compact>
+                <Input
+                  value={filterForm.scBegin}
+                  placeholder="请输入"
+                  style={{ width: '100px' }}
+                  allowClear
+                  onInput={(e: Event) => handleIntegerInput(e, (v) => (filterForm.scBegin = v))}
+                  onKeydown={blockNonDigitKey}
+                  onBlur={(e: Event) => handleIntegerBlur(e, (v) => (filterForm.scBegin = v))}
+                  onUpdate:value={(val: string) => (filterForm.scBegin = toIntegerOnly(val))}
+                  onPressEnter={handleSearch}
+                />
+                <Input
+                  style={{
+                    width: '40px',
+                    textAlign: 'center',
+                    backgroundColor: '#fafafa',
+                    pointerEvents: 'none',
+                    color: 'rgba(0,0,0,0.45)',
+                  }}
+                  value="至"
+                  disabled
+                />
+                <Input
+                  value={filterForm.scEnd}
+                  placeholder="请输入"
+                  style={{ width: '100px' }}
+                  allowClear
+                  onInput={(e: Event) => handleIntegerInput(e, (v) => (filterForm.scEnd = v))}
+                  onKeydown={blockNonDigitKey}
+                  onBlur={(e: Event) => handleIntegerBlur(e, (v) => (filterForm.scEnd = v))}
+                  onUpdate:value={(val: string) => (filterForm.scEnd = toIntegerOnly(val))}
+                  onPressEnter={handleSearch}
+                />
+              </Space.Compact>
+            </Form.Item>
             <Form.Item>
               <Space>
                 <Button type="primary" onClick={handleSearch} loading={loading.value}>
diff --git a/src/pages/events/list/model/config.ts b/src/pages/events/list/model/config.ts
index 9d6548b..a755b67 100644
--- a/src/pages/events/list/model/config.ts
+++ b/src/pages/events/list/model/config.ts
@@ -15,6 +15,8 @@ export const FILTER_DEFAULTS = {
   isPublic: '',
   idCardNo: '',
   idCardImg: '',
+  scBegin: '',
+  scEnd: '',
 };
 
 export type FieldMapping = [
@@ -35,6 +37,8 @@ export const FIELD_MAPPINGS: FieldMapping[] = [
   ['createDateRange', 'createDateEnd', (v) => v?.[1]],
   ['startDateRange', 'startDate', (v) => v?.[0]],
   ['startDateRange', 'startDateEnd', (v) => v?.[1]],
+  ['scBegin', 'scBegin'],
+  ['scEnd', 'scEnd'],
 ];
 
 /** 赛事状态选项（value 对应 API status） */
diff --git a/src/pages/events/list/model/integerInput.ts b/src/pages/events/list/model/integerInput.ts
new file mode 100644
index 0000000..0147194
--- /dev/null
+++ b/src/pages/events/list/model/integerInput.ts
@@ -0,0 +1,43 @@
+/** 报名人数筛选项 — 整数输入处理（页面特有逻辑） */
+
+import { toIntegerOnly } from '@/utils/form';
+
+/** 整数规范化：去除前导零，如 055 → 55；空值保持为空 */
+function normalizeIntegerString(value: unknown): string {
+  const digits = toIntegerOnly(value);
+  if (!digits) return '';
+  return String(parseInt(digits, 10));
+}
+
+/** 整数 Input 事件处理：同步过滤 DOM 值与外部状态 */
+export function handleIntegerInput(e: Event, setter: (value: string) => void): void {
+  const el = e.target as HTMLInputElement | null;
+  if (!el) return;
+
+  const next = toIntegerOnly(el.value);
+  if (el.value !== next) {
+    el.value = next;
+  }
+  setter(next);
+}
+
+/** 整数 Input 失焦处理：规范化数字并同步状态 */
+export function handleIntegerBlur(e: Event, setter: (value: string) => void): void {
+  const el = e.target as HTMLInputElement | null;
+  if (!el) return;
+
+  const next = normalizeIntegerString(el.value);
+  if (el.value !== next) {
+    el.value = next;
+  }
+  setter(next);
+}
+
+/** 阻止非数字键入（含小数点），配合 handleIntegerInput 处理粘贴 */
+export function blockNonDigitKey(e: KeyboardEvent): void {
+  if (e.ctrlKey || e.metaKey || e.altKey) return;
+  if (e.key.length !== 1) return;
+  if (!/^\d$/.test(e.key)) {
+    e.preventDefault();
+  }
+}
diff --git a/src/pages/events/list/model/useEventListModel.ts b/src/pages/events/list/model/useEventListModel.ts
index 7c7c243..f84af3f 100644
--- a/src/pages/events/list/model/useEventListModel.ts
+++ b/src/pages/events/list/model/useEventListModel.ts
@@ -92,11 +92,24 @@ export function useEventListModel() {
       f.region.length > 0 ||
       !!f.isPublic ||
       !!f.idCardNo ||
-      !!f.idCardImg
+      !!f.idCardImg ||
+      !!f.scBegin?.trim() ||
+      !!f.scEnd?.trim()
     );
   });
 
+  /** 报名人数区间：起始大于结束时对调 */
+  const normalizeSignupCountRange = () => {
+    const begin = filterForm.scBegin.trim();
+    const end = filterForm.scEnd.trim();
+    if (begin && end && Number(begin) > Number(end)) {
+      filterForm.scBegin = end;
+      filterForm.scEnd = begin;
+    }
+  };
+
   const handleSearch = () => {
+    normalizeSignupCountRange();
     pagination.reset();
     fetchList();
   };
diff --git a/src/utils/form.ts b/src/utils/form.ts
index e1f1426..70acd02 100644
--- a/src/utils/form.ts
+++ b/src/utils/form.ts
@@ -34,8 +34,8 @@ export const REAL_NAME_REGEX = /^[\u4e00-\u9fa5A-Za-z0-9·]{1,8}$/;
 export const IMAGE_TYPE_REGEX = /^image\//;
 
 /**
- * 纯数字（整数）
- * - 用于过滤非数字字符
+ * 非数字字符
+ * - 用于过滤 0-9 以外的字符（含小数点、字母、符号等）
  */
 export const INTEGER_ONLY_REGEX = /\D/g;
 
@@ -63,7 +63,7 @@ export function isImageFile(file: { type: string }): boolean {
   return IMAGE_TYPE_REGEX.test(file.type);
 }
 
-/** 过滤非数字字符，只保留整数 */
+/** 只保留数字字符 */
 export function toIntegerOnly(value: unknown): string {
   return String(value ?? '').replace(INTEGER_ONLY_REGEX, '');
 }