The prodromal symptoms of the occurrence of esophageal fistula are often not systemic, but merely neck discomfort, swelling and pain, combined with swallowing discomfort; local swelling with pressure pain on the more normal side, but usually the swelling and pressure pain after surgery feels normal and difficult to draw our attention to, the more characteristic signs are dark red local skin and progressive enlargement of the mass. The diet of patients with esophageal fistula should follow the principles of high protein, high calories and high vitamins. The diet is not suitable for: 1. Avoid eating foods with a lot of sugar, smoked food, moldy food and sauerkraut. 2. Avoid eating cigarettes, alcohol and coffee: cigarettes contain nicotine and nitrosamines, which are toxic carcinogens; alcohol can stimulate the secretion of hormones, thus affecting the susceptibility to malignant tumors; caffeine can destroy the B vitamins in the body; 3. It is necessary to reasonably match the diet according to the condition. Because of the digestive system dysfunction caused by the treatment, so don’t be in a hurry when choosing food and taking supplements. All should eat more fresh vegetables and fruits. Fruits and vegetables are rich in vitamin C, which is a cancer inhibiting substance and can block the production of cancer cells, and also garlic (cooked) contains anti-cancer substances. Develop good living and eating habits, regular physical examination, timely diagnosis and treatment. 4.Protein supplementation: When esophageal cancer patients have no swallowing difficulty, they should be free to choose food. Without affecting the treatment, they should eat more food rich in protein and carbohydrates to improve the dietary quality and create good conditions for surgery. If the nutritional status is poor, it is difficult to tolerate the trauma of surgery, slow healing and easy infection after surgery, which is unfavorable to surgery recovery. 5, can not eat spicy, spicy, smelly, fishy stimulating food, because these foods can also cause esophageal spasm and make the patient discomfort. For esophageal cancer patients who can not eat at all, they should take intravenous high nutrition method to input nutrients to maintain the needs of the patient’s organism. 6.Avoid eating cold liquid food and cold noodles, milk, egg soup, etc., which have been placed for a long time. Because the narrow part of the esophagus is very obvious to cold food stimulation, easy to cause esophageal spasm, nausea and vomiting, pain and swelling numbness and other feelings. Therefore, it is better to eat warm food.