Complications of duodenal sludge surgery include postoperative bleeding, anastomotic fistula and other complications. 1. Postoperative hemorrhage: postoperative hemorrhage is a serious complication of duodenal stasis surgery, postoperative abdominal drainage of large amounts of bloody fluid, especially hypovolemia, hemodynamic instability should be considered bleeding, the need for timely blood transfusion and application of antiemetic drugs, laparoscopic or open surgical exploration, if necessary, such as active bleeding, should be dealt with accordingly according to the intraoperative situation. 2. Anastomotic fistula: anastomotic fistula is one of the very serious complications of duodenal stasis surgery, once this occurs, it should be properly drained in time, strengthen the anti-infection, nutritional support, inhibit the secretion of digestive juices and other treatments, conservative treatment is not effective if necessary, re-operation.