目的探讨大肠癌合并肠穿孔急诊的临床特点、诊断方法及手术方式。方法回顾性分析31例大肠癌合并肠穿孔的临床资料以及手术方式。结果本组治愈26例,死亡5例,死因为感染性休克伴多脏器功能衰竭。术后并发症:肺部感染5例,切口感染4例,吻合口漏2例,腹腔脓肿2例。结论早期诊断与正确术式选择是降低病死率、提高生存质量的重要因素。 Objective To investigate the clinical features, diagnosis and operation of colorectal cancer complicated by intestinal perforation. Methods Retrospective analysis of 31 cases of colorectal cancer with intestinal perforation of the clinical data and surgical approach. Results In this group, 26 cases were cured and 5 died. The cause of death was septic shock with multiple organ failure. Postoperative complications: 5 cases of pulmonary infection, incision infection in 4 cases, 2 cases of anastomotic leakage, abdominal abscess in 2 cases. Conclusion Early diagnosis and correct choice of surgical procedures are important factors in reducing mortality and improving quality of life.