目的探讨75岁以上高龄直肠癌的诊治特点。方法回顾性分析诊治的128例75岁以上老年性直肠癌诊疗过程。结果手术根治率可达86%,手术并发症发生率为28.7%,死亡率为2.5%;低位直肠癌保肛率达61%,且85.4%的患者对于术后控便情况表示满意。结论高龄直肠癌患者经积极的围手术期治疗,手术疗效明显,且低位直肠癌保肛手术后患者控便机能良好。 Objective To investigate the diagnosis and treatment of advanced colorectal cancer over 75 years old. Methods Retrospective analysis of diagnosis and treatment of 128 cases of 75 years of age and older patients with rectal cancer diagnosis and treatment process. Results The cure rate of operation was 86%, the incidence of complications was 28.7% and the mortality rate was 2.5%. The anus preservation rate of low rectal cancer was 61%, and 85.4% patients were satisfied with postoperative control. Conclusion The patients with advanced colorectal cancer undergo active perioperative treatment, and the curative effect is obvious. The control of defecation in patients with low rectal cancer after anal sphincter preservation is good.