Transumbilical Single Hole Laparoscopic Cholecystectomy: It is a new type of surgery with a transumbilical approach. The incision is made at the navel, and the incision can be covered by the folds of the umbilicus, which has satisfactory cosmetic effect; transumbilical single-port laparoscopic cholecystectomy greatly reduces the incidence of incision-related complications, such as incisional hernia, incisional infection, etc., while achieving minimally invasive operation; the postoperative pain is mild, which reduces the dosage of anesthetic and analgesic drugs in the intra-operative and post-operative period; the postoperative recovery is fast, and hospitalization time is short, and hospitalization cost is reduced, and the general patients can be discharged in 3 days after operation. Reduced, generally patients can be discharged on the 3rd day after surgery.