Dietary contraindications of esophageal cancer after surgery include: 1) fasting for 3-4 days after surgery; 2) eating liquid diet without residue on the 5th day after surgery; 3) eating rice soup on the 6th day after surgery; 4) eating chicken soup and thin rice on the 7th day after surgery; 5) eating semi-liquid food two weeks after surgery. At the early stage of esophageal cancer surgery, liquid and semi-liquid food should be the main food, and high protein, high nutrition and easy to digest food should be chosen, and gradually transition to normal diet, avoiding too hot, too hard, too spicy and too stimulating food, and at the same time, physical exercise can be properly carried out to prevent constipation.