Simple gallbladder stones: laparoscopic cholecystectomy (LC), standard three-hole or four-hole method, latest single-hole method Simple common bile duct stones: 1, duodenoscopic papillotomy (EST): suitable for common bile duct stones less than 3, single diameter less than 1, 5 cm; 2, laparoscopic cholecystectomy + common bile duct excision and lithotomy: suitable for EST failure or more and larger stones, generally The diameter of common bile duct should be larger than 1 cm, and most of them can be sutured in one stage, and a few of them need to be removed after T-tube placement. Gallbladder stones combined with common bile duct stones: 1.Laparoscopic cholecystectomy + transcystic duct stone extraction: suitable for common bile duct stones less than 0.5 cm; 2.Laparoscopic cholecystectomy + choledochotomy: suitable for common bile duct diameter greater than 1 cm, most of them can be sutured in one stage, a few need to be removed after T-tube placement; 3.EST stone extraction + LC: suitable for common bile duct diameter less than 1 cm. 3, EST lithotomy + LC: suitable for bile duct diameter less than 1 cm, and LC is performed within a few days after EST.