Common postoperative complications of esophageal cancer include: 1) Anastomotic complications: (1) Anastomotic fistula Mostly occurs in 2-8 days after surgery, most commonly in 4-6 days, and is one of the most serious complications, with an incidence of 1.8% to 5.2% and a mortality rate of 50%. (2) Anastomotic stenosis and obstruction generally occur more than 1 month after surgery, and are late complications, with an incidence of 0.3% to 9.5%. (3) Anastomotic bleeding The incidence is 0.25%-2%, divided into two categories: immediate bleeding and delayed bleeding. (2) pulmonary complications: including pneumonia, pulmonary atelectasis, acute respiratory distress syndrome, etc., with a total incidence of 1% to 6%. 3, celiac disease: is one of the serious complications, the incidence of 0.6% to 2.6%, mortality rate of 15% to 25%. 4, laryngeal nerve injury: resulting in vocal cord paralysis, hoarseness, misopharyngeal, choking and coughing, the incidence is 6% to 8.7%. 5. Gastrointestinal complications: including upper gastrointestinal stress ulcerative hemorrhage, thoracogastric syndrome, gastroesophageal reflux, thoracogastric torsion, etc. 6. Other: such as diaphragmatic hernia, thoracogastric fistula, anastomotic aortic fistula, esophagotracheal fistula, cardiac arrhythmia, simple abscess chest, subdiaphragmatic abscess, etc.