FIELD : medicine.SUBSTANCE : invention refers to medicine, namely to surgery, and can be used for treating patients with Bouveret’s syndrome. A costal minilaparotomy with an anterior abdominal wall incision length of not more than 8?centimeters is performed 2 centimeters below the left costal arch. Perform intraoperative oesophagogastroduodenoscopy, wherein by intracavitary transillumination gastrotomy is determined in the lower one-third of the body of the stomach along its anterior wall closer to greater curvature, as well as fixing the bile duct in Dormia' s loop. Performing gastrotomy in a previously planned place with length of not more than 5 cm, through which is removed fixed in Dormia' s loop bile calculus. Double-row gastrotomic opening is closed with interrupted sutures. Through a separate puncture of the anterior abdominal wall lateral to the place of minilaparotomy to the area of the closed gastrotomic hole, trapping drainage in the form of polyvinylchloride tube with an internal diameter of not less than 5 mm is installed.EFFECT : method enables improving the clinical outcome.1 cl