报导应用改良的膀胱粘膜代尿道一期治疗各型尿道下裂32例，均获痊愈。其中达正位尿道开口20例．4例尿道外口轻度狭窄。12例尿道外口达冠状沟者无并发症。笔者认为膀胱粘膜切取方便，组织结构菲薄．代谢低．组织间液易达细胞间，容易成活。如术中操作细致，注意关键环节，术后加强护理，成功率高。适合治疗各型尿道下裂。 Reported the application of modified bladder mucosa on behalf of the urethra in the treatment of 32 cases of various types of hypospadias, were cured. Of which up to 20 cases of urethral openings. 4 cases of urethral orifice mild stenosis. No complications were found in 12 cases of coronal dural outside the urethra. I think the bladder mucosa cut easily, the meager organizational structure. Low metabolism. Interstitial fluid between accessible cells, easy to survive. Such as meticulous operation in surgery, pay attention to the key link, postoperative care, high success rate. Suitable for treatment of various types of hypospadias.