近20年外科技术购进步并未提高较晚期直肠癌根治术的生存率。人们已采用多种辅助治疗减少局部复发，其中较为有效者无疑是放疗，但有效的放疗因照射最大常引起严重并发症、作者的探索发现肠内热疗、5FU栓剂与放疗合用可提高放疗的效果，并降低其损害作用。 The advancement of surgical technology purchase in recent 20 years has not improved the survival rate of radical rectal cancer surgery. People have used a variety of adjuvant therapy to reduce local recurrence, and those who are more effective are undoubtedly radiotherapy, but effective radiation therapy often causes serious complications due to irradiation. The author’s exploration found that intestine hyperthermia, 5FU suppository and radiation therapy can improve radiotherapy. Effect and reduce its damage effect.