本文报告４２例保留尿道前列腺切除，即Ｍａｄｉｇａｎ手术，治疗前列腺增生的效果。经耻骨后切开前列腺被膜，纵形切开前列腺，暴露尿道，将左、右叶前列腺分别切除，并保留尿道，术后尿液清晰或淡粉色，一般不常规冲洗膀胱，３～７天拔除Ｆｏｌｅｙ尿管即能恢复正常排尿功能，并发症极少。现对手术的优点和适应证进行讨论。 This article reports 42 cases of retained urethral resection, the Madigan surgery, the treatment of benign prostatic hyperplasia effect. Prostate capsule was incised after retropubic incision, the prostate was incised longitudinally, the urethra was exposed, and the left and right lobes were excised separately and the urethra was preserved. Urine was clear or pale pink after operation. The bladder was not routinely irrigated and removed 3-7 days Foley catheter that is able to restore normal urination function, with minimal complications. Now the advantages of surgery and indications for discussion.