Ercp surgery means retrograde cholangiopancreatography via endoscopy, after the surgery, you can be discharged from the hospital usually in 3~5 days, but the specific discharge time also needs to be decided according to the purpose of ERCP surgical treatment as well as the patient’s recovery. 1. Purpose of treatment: if ERCP surgery is only for duodenal retrograde cholangio-pancreatic duct imaging, it can be discharged in about 3 days after the surgery; however, if it is necessary to do a cholangio-pancreatic duct incision examination to find out the bile duct or pancreatic duct of the occupying lesions, then it is necessary to cause greater trauma to the patient, and the time of recovery will be longer, and the length of hospitalization will also increase. 2. Recovery: If the patient’s recovery is smooth and no complications occur after ERCP surgery, the patient can be discharged in about 3 days, but if the patient has serious complications after the surgery, the hospitalization time will be prolonged according to the specific situation, and the patient can only be discharged after cure. ERCP belongs to a kind of endoscopic treatment, causing less trauma, and faster recovery, in the clinical application of the gradual increase, but need to pay attention to the post-surgery should pay attention to the observation of biliary bleeding, pancreatitis and other complications, and do a good job of nursing, do not carry out strenuous exercise, to avoid causing pain in the wounds, causing discomfort.