The principle is: high calorie, high vitamin, low fat light diet. 1, should eat more light and easy to digest, color, aroma and taste of food, pay attention to increase the taste, such as sweet, acid, etc. can stimulate appetite. 2, eat more food rich in high quality protein, such as yogurt, eggs, fish, chicken, lean meat, etc., with yogurt instead of milk, can reduce abdominal flatulence; eat less fried food and pickled products. 3, at the end of chemotherapy should also be balanced nutrition, not too much. It should be a low-fat diet and eat more fresh vegetables and fruits with high vitamin content.