Abstract: Objective A retrospective review was undertaken to comparison the efficiency difference of laparoscope common bile duct exploration(LCBDE) and combined usage of laparoscope and duodenoscope in the treatment of common bile duct(CBC) stone.Methods 98 patients of CBC stone were treated totally during 2003 to 2005.16 of them were carried out LCBDE,82 patients were carried out endoscopic retrograde cholangiopancrealtography(ERCP) and endoscopic sphincterotomy(EST) first,then laparoscopic cholecystectomy(LC).Results LCBDE was successfully performed in all 16 cases,but 6 of 82 cases suffered complication in the combined usage of laparoscope and duodenoscope.Conclusion LCBDE combined usage of laparoscope and duodenoscope in the treatment of CBD are minimal traumatic operation with less complication.As the effective microhurt technique,the application of them will spread deservedly.

Key words: laparoscope, duodenoscope, CBD stone