目的　探讨输尿管逆行插管肾盂减压缓解肾绞痛的新方法。方法　通过膀胱镜输尿管插管引流尿液使肾盂压力降低。结果　插管成功者均能有效引流尿液 ,迅速缓解肾绞痛。结论　插管引流能使肾盂内压降低 ,具有止痛迅速 ,方法简便 ,又能起到松动结石的作用 ,配合体外碎石 ,能减少石街形成 Objective To investigate the new method of ureter retrograde intubation and renal pelvis decompression to relieve renal colic. Methods Urinary intubation through cystoscopy ureter to reduce the pressure of the renal pelvis. Results Successful intubation can effectively drain the urine, rapid relief of renal colic. Conclusion Intubation drainage can reduce the internal pelvic pressure, with rapid analgesia, the method is simple, but also play a role in loosening stones, with the external gravel, stone street can reduce the formation