There are many precautions for postoperative diet of esophageal cancer, including diet time, diet order and diet way. 1. Dietary time: fasting and water prohibition should be applied after operation, and water intake should be resumed according to doctor’s instruction with the recovery of operation, so as to avoid anastomotic fistula occurring when drinking too much water. 2. Dietary order: eating should be gradual, from fluids to semi-fluids and finally transition to general food, the time of each stage depends on the patient’s recovery, do not rush to transition to a normal diet. 3. Diet: After surgery, patients with esophageal cancer should pay attention to chewing and swallowing slowly, and correct the bad habits of eating too fast, too hot, too hard and too stimulating. At the same time, they should eat more fresh vegetables and fruits and consume enough nutrients to promote the recovery of the disease as soon as possible. Other precautions of postoperative diet of esophageal cancer vary from person to person, so one should consult professional doctors and gradually resume normal diet under the guidance of doctors to avoid blind treatment.