目的　总结 136例胃、十二指肠疾病手术后常见并发症的内镜诊治经验。方法　对 136例病人术后并发症的内镜诊断与治疗进行回顾性总结分析。结果　 136例中吻合口或残胃溃疡 2 9例 4 5个 ,吻合口输出段良性瘢痕狭窄伴梗阻 6例 ,吻合口糜烂伴残留缝线反应 72例 ,胃息肉 9例 31枚 ,残胃癌 3例 ,癌性狭窄 17例 ;其中 9例转入外科治疗 ,采用内镜治疗 12 7例中治愈 10 4例 (81 89% ) ,显效 9例 (7 0 9% ) ,有效 5例 (3 94 % ) ,缓解 7例 (5 5 1% ) ,无效 2例 (1 5 7% )。结论　经内镜诊断与治疗胃、十二指肠疾病术后并发症 ,具有诊断正确、定位精确、治疗适应证广泛、疗效确切等优点 ,有较高的临床应用价值 Objective To summarize the experience of endoscopic diagnosis and treatment of common complications of 136 cases of gastric and duodenal diseases. Methods The endoscopic diagnosis and treatment of postoperative complications in 136 patients were retrospectively analyzed. Results 136 cases of anastomosis or residual gastric ulcer in 29 cases 45, anastomotic benign scar stenosis with obstruction in 6 cases, anastomotic erosion with residual suture reaction in 72 cases, gastric polyps in 9 cases 31, residual gastric cancer 3 17 cases of cancerous stenosis, of which 9 cases were surgically treated, 10 4 cases (81 89%) were cured by endoscopic treatment, 9 cases (709%) were markedly effective and 5 cases were effective %), 7 cases (551%) and 2 cases (15.7%) were relieved. Conclusion The endoscopic diagnosis and treatment of postoperative complications of gastric and duodenal diseases have the advantages of correct diagnosis, accurate positioning, extensive indications for treatment and definite curative effect, which have high clinical value