We welcome patients to visit the Cardiothoracic Surgery Department of Tianjin Medical University General Hospital or through our online consultation, Dr. Dong’s consultation website. We will promptly answer your questions, formulate individualized treatment plan and provide the next treatment plan according to your condition as much as possible. Esophageal cancer is a common disease in China, and anastomotic fistula is a serious postoperative complication of esophageal cancer, and its common causes are mainly the following three: ① severe malnutrition, most patients are in severe malnutrition due to esophageal cancer obstruction and difficulty in eating, which makes the anastomosis heal poorly; ② cancer toxicity, anemia caused by cancer toxicity makes the anastomosis difficult to heal; ③ anastomotic technique, the anastomotic fistula is easily caused by poor operation of anastomotic technique (iii) anastomotic technique, which may cause anastomotic fistula if the anastomosis is not operated carefully.