First, the disturbance to the gastrointestinal tract is small, the recovery of intestinal motility after surgery is fast, and you can eat and drink and get out of bed 12-24h after surgery; second, the laparotomy incision is very small, the lumpectomy is clear, the injury is small, and the intraoperative blood loss is small, which not only reduces the surgical trauma and stress, but also significantly reduces the postoperative pain, which cannot be compared with open surgery; third, it reduces the chronic abdominal distension, abdominal pain and postoperative Third, the incision-induced chronic abdominal distension, abdominal pain and postoperative intestinal obstruction have been reduced, which improves the quality of life. Compared with traditional open surgery, minimally invasive laparoscopic surgery has been well received by patients in recent years for its advantages of light trauma, little pain and fast recovery. More and more patients with bile duct stones can be cured by minimally invasive techniques.