目的　探讨急性创伤性膈疝的发病机理 ,临床特征和处理方式。方法　回顾性分析2 6例急性创伤性膈疝的临床资料。结果　患者均为多发伤 ,有不同程度的呼吸困难 ,均行手术探查 ,膈肌修补。 2例术中死亡。 14例术后出现多器官功能障碍 ,其中 3例术后死于多器官衰竭。本组 2 1例存活。结论　外伤性膈疝早期诊断 ,及时手术 ,防治并发症可提高抢救成功率。 Objective To investigate the pathogenesis, clinical characteristics and treatment of acute traumatic diaphragmatic hernia. Methods The clinical data of 26 cases of acute traumatic diaphragmatic hernia were retrospectively analyzed. Results Patients were multiple injuries, with varying degrees of dyspnea, were undergone surgical exploration, diaphragm repair. 2 patients died during operation. In 14 cases, multiple organ dysfunction occurred after operation, of which 3 patients died of multiple organ failure after operation. The group of 21 survived. Conclusion Early diagnosis of traumatic diaphragmatic hernia, timely surgery, prevention and treatment of complications can improve the success rate of rescue.