diff --git a/healthlink-his-ui/src/views/inpatientDoctor/home/components/diagnosis/index.vue b/healthlink-his-ui/src/views/inpatientDoctor/home/components/diagnosis/index.vue
index 903a20605..7c49515b3 100755
--- a/healthlink-his-ui/src/views/inpatientDoctor/home/components/diagnosis/index.vue
+++ b/healthlink-his-ui/src/views/inpatientDoctor/home/components/diagnosis/index.vue
@@ -348,6 +348,12 @@ function getCurrentDate() {
 }
 
 function addNewDiagnosis() {
+  // Bug #783: 存在未保存的新诊断时，不允许继续新增
+  const hasUnsavedRow = diagnoseData.value.some(item => item.isNew && !item.conditionId)
+  if (hasUnsavedRow) {
+    ElMessage.warning('请先保存已新增的诊断，再添加新诊断')
+    return
+  }
   const maxSortNo = diagnoseData.value.length > 0
     ? Math.max(...diagnoseData.value.map(item => item.sortNo || 0))
     : 0
@@ -374,6 +380,12 @@ function addNewDiagnosis() {
 }
 
 function addNewChinese() {
+  // Bug #783: 存在未保存的新诊断时，不允许继续新增
+  const hasUnsavedRow = diagnoseData.value.some(item => item.isNew && !item.conditionId)
+  if (hasUnsavedRow) {
+    ElMessage.warning('请先保存已新增的诊断，再添加新诊断')
+    return
+  }
   chineseMedicineDialogVisible.value = true
 }