Complications of treatment and prevention strategy 1. Complications of surgery: resection of esophageal cancer, lymph node dissection and reconstruction of digestive tract are longer and more difficult, and the surgery involves the chest, abdominal cavity and multiple parts and organs of the neck, which have a greater impact on the normal physiological homeostasis of the human body, coupled with the fact that the patients have varying degrees of malnutrition and lowered immune function before the surgery, the incidence of postoperative complications reported both at home and abroad is as high as 10-30%, and the perioperative mortality rate is as high as about 3%. The perioperative mortality rate is as high as about 3%. Among them, anastomotic fistula and pulmonary infection are the most common complications, followed by gastric emptying obstruction, hoarseness due to laryngeal reentrant nerve injury and anastomotic stenosis. For preoperative cardiopulmonary function is not good, long-term smoking, older patients, preoperative do some respiratory function exercise, for preoperative diabetes mellitus patients to control blood glucose, in order to promote postoperative recovery; postoperative should often eat steamed bread or bread to prevent anastomotic stenosis. 2, radiotherapy common complications: 1, myelosuppression due to neutropenia, generally occurring in the chemotherapy about 5-7 days after the start, especially after the second cycle of chemotherapy, obvious, give the white blood cells to enhance drug therapy, while paying attention to warmth to avoid cross-infection; 2, gastrointestinal reaction nausea and vomiting, anorexia, occurring in the chemotherapy of the second 5 days or so obvious, to give dexamethasone combined with the gastroenterology treatment, at the same time, the advice of Drink more water to increase urine detoxification; 3, fatigue, muscle and joint pain, mostly occurring in the 3rd-5th day of chemotherapy, give oral painkiller tablets, xiyangshen tablets soaked in boiled water to drink; 4, radiation esophagitis and radiation tracheitis caused by pain in swallowing, cough and shortness of breath, etc., most often occurring in the 3rd week of chemotherapy, give oral anti-inflammatory spirit, intravenous hormones and activation of blood and blood stasis and other treatments, and at the same time, asked to enter the soft food.