Abstract: Objective To study the effect of minimally invasive surgery for treatment of cholecystolithiasis together with common bile duet stones.Methods 245 patients suffered from common bile duct stones were admitted and received the therapeutical procedures.All patients were randomly divided into two groups.138 patients in the treatment group treated with minimally invasive surgery;107 patients in the control group treated with the traditional way of laparotomy.Results Compared with the control group,the treatment group showed high cure rate of 97.83%(P>0.05),low complication rate of 5.19%,short hospital stays of(7.5±2.1)d,less cost of(8 134±1 676)CNY (x2=18.34,t=8.75,6.93,all P<0.01).Conclusion Minimally invasive surgery had more advantages and wide application for both doctors and patients.