目的研究传统直肠癌根治术对男性患者排尿和性功能的影响。方法通过电话、调查表等方式随访48例65岁以下男性直肠癌术后患者的排尿功能和性功能情况,并进行回顾性分析。结果术后性功能障碍总发生率为58.33%,术后排尿功能障碍总发生率为56.25%,比较手术时年龄50岁以下组和50岁以上组性功能和排尿功能障碍发生率;比较不同手术方式(Dixon术及Mile’s术后)性功能和排尿功能障碍发生率;比较DukesB,C期患者性功能和排尿功能障碍发生率,均无统计学意义。结论男性患者直肠癌术后排尿功能和性功能障碍发生率高。手术时患者年龄,手术方式及肿瘤侵犯程度对术后排尿功能和性功能障碍没有直接影响。 Objective To study the effect of traditional radical mastectomy on micturition and sexual function in male patients. Methods The urinary function and sexual function of 48 cases of rectal cancer patients under 65 years of age were followed up by telephone and questionnaire, and retrospectively analyzed. Results The total incidence of postoperative sexual dysfunction was 58.33%, the total incidence of postoperative urination dysfunction was 56.25%. The incidence of sexual dysfunction and voiding dysfunction in patients under 50 years of age at the time of surgery and over 50 years were compared. (Dixon technique and Mile’s postoperative) and urinary dysfunction. Compared with the DukesB and C patients, the incidences of sexual dysfunction and voiding dysfunction were not statistically significant. Conclusion Male patients with rectal cancer urination and sexual dysfunction after the high incidence. The age of the patient, the mode of operation and the degree of tumor invasion had no direct effect on postoperative urination and sexual dysfunction.