diff --git a/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue b/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
index 7928c1a08..f5e597847 100755
--- a/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
+++ b/openhis-ui-vue3/src/views/doctorstation/components/examination/examinationApplication.vue
@@ -414,6 +414,15 @@
                       <span class="method-price-tag">¥{{ method.packagePrice || method.price || 0 }}</span>
                     </div>
                   </div>
+                  <!-- Bug #500修复: 加载中的方法列表骨架占位，提前预留空间避免高度跳变 -->
+                  <div
+                    v-if="categoryLoadingSet.has(cat.typeId) && (!cat.methods || cat.methods.length === 0)"
+                    class="method-section method-section-skeleton"
+                  >
+                    <div class="method-section-title">检查方法</div>
+                    <div class="skeleton-method-row"></div>
+                    <div class="skeleton-method-row"></div>
+                  </div>
                 </el-collapse-item>
               </el-collapse>
             </div>
@@ -1803,7 +1812,7 @@ defineExpose({ getList });
   flex: 1;
   overflow-y: auto;
   overflow-x: hidden;  /* Bug #500: 防止切换时水平方向溢出导致抖动 */
-  min-height: 120px;   /* Bug #500: 固定最小高度，避免分类切换时 flex 容器高度突变 */
+  min-height: 300px;   /* Bug #500: 增大最小高度，避免折叠动画期间容器高度突变 */
 }
 .empty-hint {
   color: #909399;
@@ -1862,6 +1871,7 @@ defineExpose({ getList });
   background: #f0f7ff;
   border-radius: 4px;
   margin-top: 6px;
+  min-height: 50px;  /* Bug #500: 方法区域预留最小高度，减少加载完成后的高度突变 */
 }
 
 .method-section-title {
@@ -1903,6 +1913,24 @@ defineExpose({ getList });
   margin-left: 6px;
 }
 
+/* Bug #500修复: 方法列表骨架占位样式 */
+.method-section-skeleton {
+  opacity: 0.6;
+  pointer-events: none;
+}
+.skeleton-method-row {
+  height: 22px;
+  border-radius: 3px;
+  background: linear-gradient(90deg, #e8f4ff 25%, #d0e8ff 50%, #e8f4ff 75%);
+  background-size: 200% 100%;
+  animation: shimmer 1.5s ease-in-out infinite;
+  margin-bottom: 4px;
+}
+@keyframes shimmer {
+  0% { background-position: 200% 0; }
+  100% { background-position: -200% 0; }
+}
+
 /* 已选择 tags */
 /* 已选择：加宽，避免套餐明细挤成一团 */
 .selected-panel {