ObjectiveTo investigate the efficacy and advantages through the combination of transurethral resectoscope outer sheath and ueteroscopy for treatment of bladder stones.MethodsThe Wolf F24 transurethral resectoscope was first placed in bladder to observe the lesions in 68 patients with bladder stones.With the moving out of the body and inner sheath,F8 ureteroscopy sheath was sent into the bladder through outer sheath,then,holmium laser lithotripsy was performed.ResultsSixty-eight patients got successful operations without postoperative stones residual,significant postoperative bleeding,urethral tear,bladder injury and infection complications. The gravel rate reached 100％ 20 - 60 minutes ( 36.7 ± 5 ) min.ConclusionThe combination of transurethral resectoscope outer sheath and ueteroscopy is effective and safe for treatment of bladder stones.