Esophageal cancer patients are prone to anorexia, nausea, vomiting and toxic side effects such as sore throat and difficulty in swallowing during chemotherapy. With these side effects, patients should be given enhanced nutrition as follows: 1. High protein diet: food sources are the most ideal supplement, including milk, chicken, fish and lean meat; 2. High vitamin diet: mainly supplement vitamin B and vitamin C, like oranges, grapefruit, apples, etc.; 3. High-calorie diet: A high-calorie diet can be chosen to allow patients to improve their resistance; 4. Replenish enough water to further improve the digestive function by drinking more warm water and soup broth, such as rib soup and duck soup; 5. Eat light, easy-to-digest food mainly.