1, food should be coarse and fine, soft, easy to digest and absorb. 2.Reasonable distribution of food quantity for three meals. 3, pay attention to the prevention of malnutrition and anemia. 4, the same kind of interchange, the deployment of colorful meals. 5.Pay attention to the supply of sufficient water. 6.To appropriately limit the total energy intake, and advocate limiting the intake of fat, oil and sweets. 7.The supply of protein should be sufficient, and attention should be paid to the quality of protein and digestion and absorption rate, and the meat and vegetables should be matched. 8, the supply of micronutrients should be adequate, certain nutrients such as calcium and vitamin D, vitamin B12, etc. should be additional supplementation. 9, quit smoking, limit alcohol, limit salt, avoid spicy and stimulating food.