The purpose of treatment is to restore the normal micturition pathway and protect the renal function of the affected side. First of all, we should judge the general situation of the patient, whether it is complicated with other organ injuries, and deal with it first; When combined with respiratory and circulatory failure and hypovolemia, it should be corrected. The treatment principles are as follows: ① If there is no pollution during operation, the first-class repair operation should be carried out. (2) If the injury lasts for 24 hours, temporary nephrostomy should be performed first to drain the oozing urine, and then repair surgery should be performed three months later. ③ If the ureter puncture is wrong, it is feasible to release the wrong puncture site; If the ureter is cut or punctured, local repair is feasible and ureteral stent is placed for drainage. ④ range