输尿管镜取石术最常见的并发症是输尿管损伤，其中穿孔占大多数，本组１００例输尿管损伤病例其穿孔伤占７８％。文中对输尿管损伤的几种原因及临床表现均作了详细的分析讨论。认为，对于输尿管损伤，尤其是穿孔伤只要术中能正确和及时的处理并根据损伤的严重程度，正确留置输尿管内外支架，以减少瘢痕形成和降低输尿管狭窄的发生率。 Ureteroscopic lithotomy is the most common complication of ureteral injury, of which the majority of perforation, ureteral injury in this group of 100 cases of perforation injury accounts for 78%. In this paper, several causes of ureteral injury and clinical manifestations were analyzed in detail. That the ureteral injury, especially perforation injury as long as the intraoperative correct and timely treatment and according to the severity of the injury, the correct placement of ureteral and external scaffolds to reduce scar formation and reduce the incidence of ureteral stricture.