diff --git a/openhis-ui-vue3/src/views/clinicmanagement/doctorstation/examination/ExaminationRequest.vue b/openhis-ui-vue3/src/views/clinicmanagement/doctorstation/examination/ExaminationRequest.vue
new file mode 100644
index 000000000..69ee7741b
--- /dev/null
+++ b/openhis-ui-vue3/src/views/clinicmanagement/doctorstation/examination/ExaminationRequest.vue
@@ -0,0 +1,193 @@
+<template>
+  <div class="examination-request-wrapper">
+    <!-- 左侧：检查项目分类 -->
+    <div class="panel category-panel">
+      <div class="panel-title">检查项目分类</div>
+      <el-tree
+        :data="categoryTree"
+        node-key="id"
+        highlight-current
+        @node-click="handleCategoryClick"
+      />
+    </div>
+
+    <!-- 中间：检查项目列表 -->
+    <div class="panel item-panel">
+      <div class="panel-title">检查项目</div>
+      <el-checkbox-group v-model="selectedItemIds" @change="onItemSelectChange">
+        <el-checkbox
+          v-for="item in currentItems"
+          :key="item.id"
+          :label="item.id"
+          class="item-checkbox"
+        >
+          {{ formatItemName(item.name) }}
+        </el-checkbox>
+      </el-checkbox-group>
+    </div>
+
+    <!-- 右侧：已选择区域 -->
+    <div class="panel selected-panel">
+      <div class="panel-title">已选择</div>
+      <div class="selected-list">
+        <div v-for="group in selectedGroups" :key="group.itemId" class="selected-group">
+          <!-- 父级：检查项目（支持点击展开/收起） -->
+          <div class="group-header" @click="toggleExpand(group.itemId)">
+            <el-icon class="expand-icon">
+              <ArrowRight v-if="!group.expanded" />
+              <ArrowDown v-else />
+            </el-icon>
+            <el-tooltip :content="group.itemName" placement="top" :show-after="300" :offset="10">
+              <span class="group-name">{{ group.itemName }}</span>
+            </el-tooltip>
+          </div>
+          
+          <!-- 子级：检查方法（默认收起，独立勾选） -->
+          <div v-show="group.expanded" class="method-container">
+            <el-checkbox-group v-model="group.selectedMethodIds" @change="onMethodSelectChange(group)">
+              <el-checkbox
+                v-for="method in group.methods"
+                :key="method.id"
+                :label="method.id"
+              >
+                {{ method.name }}
+              </el-checkbox>
+            </el-checkbox-group>
+          </div>
+        </div>
+        <el-empty v-if="selectedGroups.length === 0" description="暂无已选项目" />
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+import { ArrowRight, ArrowDown } from '@element-plus/icons-vue'
+
+// 状态定义
+const categoryTree = ref([])
+const currentItems = ref([])
+const selectedItemIds = ref([])
+const selectedGroups = ref([])
+
+// 格式化名称：清理冗余“套餐”字样
+const formatItemName = (name) => {
+  return name ? name.replace(/套餐/g, '').trim() : ''
+}
+
+// 分类点击：加载对应项目
+const handleCategoryClick = (data) => {
+  currentItems.value = data.items || []
+}
+
+// 项目勾选变更（核心修复1：解耦联动，不自动勾选检查方法）
+const onItemSelectChange = (ids) => {
+  // 仅同步已选项目结构，保留原有方法勾选状态或初始化为空
+  const newGroups = ids.map(id => {
+    const existing = selectedGroups.value.find(g => g.itemId === id)
+    if (existing) return existing
+    
+    const item = currentItems.value.find(i => i.id === id)
+    return {
+      itemId: id,
+      itemName: formatItemName(item?.name || ''),
+      methods: item?.methods || [], // 关联的检查方法列表
+      selectedMethodIds: [],        // 独立维护方法勾选状态
+      expanded: false               // 核心修复3：默认收起明细
+    }
+  })
+  selectedGroups.value = newGroups
+}
+
+// 方法勾选变更（核心修复1：独立处理，不影响父级或其他组）
+const onMethodSelectChange = (group) => {
+  // 仅触发当前组方法状态更新，业务层可在此处同步至后端或计算费用
+  console.log(`[Examination] 方法独立勾选: ${group.itemId} -> ${group.selectedMethodIds}`)
+}
+
+// 展开/收起控制（核心修复3：支持手动切换明细显示）
+const toggleExpand = (itemId) => {
+  const group = selectedGroups.value.find(g => g.itemId === itemId)
+  if (group) {
+    group.expanded = !group.expanded
+  }
+}
+</script>
+
+<style scoped>
+.examination-request-wrapper {
+  display: flex;
+  gap: 12px;
+  height: 100%;
+  padding: 12px;
+  background: #fff;
+}
+.panel {
+  flex: 1;
+  border: 1px solid #ebeef5;
+  border-radius: 6px;
+  padding: 12px;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+.panel-title {
+  font-weight: 600;
+  margin-bottom: 12px;
+  color: #303133;
+  font-size: 14px;
+}
+.category-panel, .item-panel {
+  overflow-y: auto;
+}
+.selected-panel {
+  background: #fafbfc;
+}
+.selected-list {
+  flex: 1;
+  overflow-y: auto;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+.selected-group {
+  border: 1px solid #e4e7ed;
+  border-radius: 6px;
+  background: #fff;
+  overflow: hidden;
+}
+.group-header {
+  display: flex;
+  align-items: center;
+  padding: 10px 12px;
+  cursor: pointer;
+  background: #fff;
+  border-bottom: 1px solid #ebeef5;
+  transition: background 0.2s;
+}
+.group-header:hover {
+  background: #f5f7fa;
+}
+.expand-icon {
+  margin-right: 8px;
+  color: #909399;
+  font-size: 14px;
+}
+.group-name {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-weight: 500;
+  color: #303133;
+}
+.method-container {
+  padding: 10px 12px 10px 28px;
+  background: #fafbfc;
+}
+.item-checkbox {
+  margin-bottom: 8px;
+  width: 100%;
+}
+</style>
diff --git a/tests/e2e/specs/bug-regression.spec.ts b/tests/e2e/specs/bug-regression.spec.ts
new file mode 100644
index 000000000..ff88c8b7f
--- /dev/null
+++ b/tests/e2e/specs/bug-regression.spec.ts
@@ -0,0 +1,49 @@
+import { test, expect } from '@playwright/test';
+
+// 原有回归测试用例...
+test.describe('Existing HIS Regression Tests', () => {
+  test('login and navigate to doctor station', async ({ page }) => {
+    await page.goto('/login');
+    await page.fill('input[name="username"]', 'admin');
+    await page.fill('input[name="password"]', '123456');
+    await page.click('button[type="submit"]');
+    await expect(page).toHaveURL(/.*dashboard.*/);
+  });
+});
+
+// @bug550 @regression
+test.describe('Bug #550 Regression: Examination Request Selection Interaction', () => {
+  test('should decouple item/method selection, display full names, and structure details correctly', async ({ page }) => {
+    // 1. 进入门诊医生站-检查申请单
+    await page.goto('/clinic/doctor-station/examination');
+    await page.waitForLoadState('networkidle');
+
+    // 2. 展开“彩超”分类并勾选“128线排”
+    await page.click('text=彩超');
+    await page.waitForSelector('.item-checkbox:has-text("128线排")');
+    await page.check('.item-checkbox:has-text("128线排")');
+
+    // 3. 验证联动解耦：检查方法不应被自动勾选
+    const methodCheckbox = page.locator('.method-container .el-checkbox').first();
+    await expect(methodCheckbox).not.toBeChecked();
+
+    // 4. 验证卡片显示：无“套餐”前缀，支持完整名称提示，宽度自适应
+    const selectedCard = page.locator('.selected-group').first();
+    await expect(selectedCard).toContainText('128线排');
+    await expect(selectedCard).not.toContainText('套餐');
+    
+    // 验证悬停提示完整名称
+    await selectedCard.hover();
+    const tooltip = page.locator('.el-tooltip__trigger');
+    await expect(tooltip).toBeVisible();
+
+    // 5. 验证默认收起状态
+    const methodContainer = page.locator('.method-container');
+    await expect(methodContainer).not.toBeVisible();
+
+    // 6. 验证层级结构：点击展开后显示“检查项目 > 检查方法”
+    await page.click('.group-header');
+    await expect(methodContainer).toBeVisible();
+    await expect(page.locator('.method-container .el-checkbox')).toHaveCount(1); // 至少展示关联方法
+  });
+});