Gallstone patients need to prepare one or two days in advance before the operation, need to do preoperative examination to see if there are contraindications to surgery. Patients need to fasting before gallstone surgery to check routine blood, blood type, urine routine, hepatitis B and C, syphilis, AIDS, cardiac electricity, chest X-ray or chest X-ray, abdominal ultrasound and other series of tests. Gallstones 1-2 days before surgery to improve the flow of food, such as milk, porridge, or clear diet such as juice, sugar and saline. Fasting 12 hours before the operation, 10 hours of water. The doctor should inform the risks and precautions in advance before the operation, take a positive attitude to accept the surgical treatment, keep a good work and rest, enough sleep, if the patient is taking anticoagulant drugs, you need to stop the anticoagulant drugs a week before the operation.