During chemotherapy out-of-hospital period, pay attention to more rest and eat more high-protein and nutrient-rich food. 1, it is recommended to use high protein, high vitamin and low fat soft meals or semi-liquid food, such as eggs, milk, lean meat, fresh fruits, vegetables, thick rice porridge, homogenized meals and whole nutrition preparations. 2, for chemical drug-induced leukocyte, platelet reduction, can eat more protein, iron and vitamin-rich food, such as animal liver, animal blood, lean meat, soybean products, dates, cinnamon, gum, peanut coat, etc.. 3.Patients with loss of appetite and indigestion can use appetizing and appetite-enhancing foods to help digestion, such as hawthorn, chicken gizzard, duck gizzard, grain malt, white radish, yam, lentils, milk, soy milk, etc. 4. For vomiting patients, use light liquid diet, such as ginger juice and japonica rice porridge, lotus root powder, new lotus root with water chestnut juice, soy milk with honey, umeboshi with rock sugar, mung bean soup, white onion drink, etc.