目的　探讨肾脏复杂性结石更安全、高效的治疗方法。。　方法　应用经皮肾微造瘘输尿管气压弹道碎石术治疗肾脏复杂性结石 31例。。　结果　 31例经皮肾微造瘘手术均顺利完成 ,2 2例结石取尽 ,8例结合碎石术排净 ,1例尚有少量残留结石 ,结石清除率为 96 .8% ,均无严重并发症。　结论　经皮肾微造瘘输尿管镜气压弹道碎石术具有创伤小、安全高效和恢复快的优点 ,是治疗肾脏复杂结石的良好方法之一 Objective To explore a more safe and effective treatment for complicated kidney stones. . Methods Percutaneous nephrostomy with ureteral pneumatic lithotripsy in the treatment of 31 cases of complex renal calculi. . Results All the 31 cases of percutaneous nephrostomy were successfully performed. Twenty-two of the stones were completely removed. Eight of them were excluded. There was still a small amount of residual stones in one case, with a clear stone clearance rate of 96.8% complication. Conclusion Percutaneous nephrostomy ureteroscopic pneumatic lithotripsy has the advantages of small trauma, safety and efficiency and rapid recovery, and is one of the good methods for the treatment of complex stones in the kidney