后尿道损伤主要由骨盆骨折引起，绝大多数发生于膜部，由于骨盆骨折出血及病情严重，一些患者先行耻骨上膀胱造瘘，一般情况好转后再行尿道修补术，多采用经会阴切口途径．该方法的严重并发症之一是阳萎，破坏受伤后的性功能．为了维持后尿道损伤患者的原有性功能状态，我科从1 Posterior urethral injury mainly caused by pelvic fractures, the vast majority occurred in the Department of membrane, due to pelvic fracture bleeding and serious illness, some patients first suprapubic cystostomy, the general situation improved urethral repair, and more by the perineal incision approach . One of the serious complications of this method is impotence, which damages the sexual function after the injury. In order to maintain the original sexual function of patients with posterior urethral injury, our department from 1