Objective To evaluate the interventional therapeatic efficacy of ureteral stricture or obstruction with two ways of percutaneous renal puncture and via urethra simultaneously.Methods 131 patients with ureteral stricture or obstruction were treated with both percutaneous renal puncture and via urethra.Results 149 ureters in 125 patients with benign ureteral stricture were treated with stents in this way,123 patients(149 ureters) were successful and 2 cases failed.9 ureters in 6 patients with malignant ureteral stricture or obstruction were treated with stents successfully.All patients were followed-up for 6 to 120 months,the clinical symptoms of patients were relieved or disappeared,and the infection was controlled,and the uretral obstruction wasn't noticed.Conclusion The treatment of ureteral strictures with percutaneous renal puncture in combination with via urethra is effective,easy and safe.

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