1. Methods Clinical date of 419 patients with ureterolith in which 67 cases accompanied by incomplete ureteric obstruction were analyzed retrospectively.

2. MethodsLUS was utilized in laparoscopic ureterolithotomy for 7 cases of ureterolith to locate the ureter and stone.

3. Objective:To observe clinical effect and complications of treating ureterolith through aerodynamic trajectory lithotrity by ureterorenoscope(URS).

4. Method 17 patients with non-opaque ureterolith calculi were treated with ESWL by intravenous urography(IVU) and retrograde urography(RGU) location.

5. To explore the feasibility of treating the refractory biliary duct stones and ureterolith by laparoscopy through combined choledochofibroscope with electronic gastroscopy.

6. Objective :To observe the clinical effects of Jintu Paishi decoction(JTPSD)in treating ureterolith.