大肠癌手术治疗种类多，术式繁杂，一些术式随着外科的发展尚有一些改良，因此，手术治疗的规范化是大肠癌治疗的重要课题。为获最佳治疗效果，大肠癌外科治疗必须遵循以下原则：①尽可能地根治肿瘤；②尽可能地保存或重建功能；③解除威胁生命的并发症，延长患者的生命。规范 There are many surgical treatments for colorectal cancer, and the surgical procedures are complex. Some surgical procedures have been improved with the development of surgery. Therefore, the standardization of surgical treatment is an important issue in the treatment of colorectal cancer. In order to obtain the best therapeutic effect, surgical treatment of colorectal cancer must follow the following principles: 1 to cure the tumor as much as possible; 2 to preserve or rebuild the function as much as possible; and 3 to relieve life-threatening complications and prolong the patient’s life. specification