The diet of cancer patients should be palatable, likeable and light, specifically the following points: 1. Small amount and multiple meals. The amount of food in a day should be divided into several meals to avoid fullness or insufficient intake. 2, the cooking method and the type of food should be rich in change, and supply the usual favorite food, in order to promote appetite. 3.Choose fresh vegetables and fruits that are cool, watery and easy to eat. 4.Appropriate choice of meat dishes. Fish is the main meat, seafood is the second, poultry, livestock meat and the second. 5.When appetite is poor, you should choose easily digestible food and try to chop or juice. 6, avoid tobacco, alcohol and too salty, too acid, too cold, too hot, too greasy, easy to produce gas and other irritating food. 7, choose more natural fresh unprocessed food. 8, if necessary, can add nutritional additives. 9, can use the appropriate amount of medicinal food to enhance physical strength and strengthen immune function.