From rectal cancer to lung cancer, we should pay attention to feeding patients with foods rich in nutrition and low in crude fiber, such as eggs, lean meat, bean products, flour and rice, and young leaf vegetables. And told patients to drink more honey water and eat more bananas and pears. Among them, honey has the best laxative effect. In addition, you can eat more foods that are beneficial to lung metastasis, such as common anticancer foods, cruciferous vegetables, radishes, garlic, soybeans, coix seed, yam, jujube and so on. Taboo: First, avoid hot foods such as frying and barbecue. Second, avoid spicy and irritating foods: onions, garlic, leeks, ginger, peppers, peppers, cinnamon and so on. Third, avoid alcohol. Fourth, avoid greasy, sticky and phlegm-producing foods.