食道灼傷通常因誤食化學性腐蝕劑所造所，80％以上病人會因食道狹窄、吞嚥因難而需長期依賴造?灌食維持營養，或需接受食道擴張術或食道重建術始能恢復由品進食，病患需要經歷一段漫長而辛苦的治療過程。本文重點為：介紹腐蝕劑的種類作用，灼傷分級與分期的病理變化、症狀、合症、治療處理步驟原則及其護理措施，以供臨床護理參考。

　　　　　Corrosive injury results from swallowing a chemical corrosive by mistake or suicide. More than 80% of patients would be left with esophageal stricture, even more dysphagia. They must rely on ostomy feeding to nourish take after taking Esophageal Dilatiation or Esophageal Reconstruction. It would be painful and last a long time. Our focus is to introduce the variety and action of corrosives, the degree of injury; the pathological change of each sstage; and the signs, symptoms, complications, then the principle of how to deal with them; further providing the suitable nursing care to ameliorate patients' condition. We hope these will be useful in clinical nursing.