According to the different surgical methods, the bile duct stone extraction methods are also different, divided into ERCP choledochotomy, laparoscopic choledochotomy, open choledochotomy. 1. ERCP choledochotomy: after satisfactory anesthesia, insert the duodenoscope into the descending part of the duodenum through the mouth, find the duodenal papilla and then insert the tube, after successful insertion, put the guide wire into it, guide the cutting knife to follow up, make a small incision in the duodenal papilla, and then take out the stone from the papilla. 2. Laparoscopic choledochotomy: Usually after general anesthesia is satisfied, 4 small holes are made in the abdominal wall, corresponding operating instruments are inserted, and the gallbladder is firstly cut off completely under the guidance of laparoscopy, and then the bile duct is cut open and choledochoscopy is entered to explore the bile duct and remove the stone. According to the intraoperative situation, it is decided whether T-tube drainage is needed to assist bile duct healing. 3. Open bile duct stone extraction: after satisfactory general anesthesia, make an incision in the right upper abdomen via rectus abdominis muscle or make an incision next to the right upper median, after opening the abdomen, it should be routinely touching and probing the related organs, and then incise the common bile duct after probing, probe the common bile duct, take out the gallstones, and when it is suspected that the lower end of the common bile duct is narrowed or blocked, it can be dilated at the lower end of the common bile duct. The above are the three commonly used methods of stone removal surgery, each method can be used according to the specific conditions of a variety of surgical methods, and may change the surgical method according to the intraoperative situation, it is recommended to bring the relevant examination reports to the regular hospitals for consultation, and be guided by specialists in the treatment.