Food should be diversified, and the staple food should be mainly cereals; Eat more fruits and vegetables; Eat milk, beans and proper amount of fish, poultry, eggs and lean meat. Only in this way can protein, fat and other nutrients in the diet meet the basic needs of the human body. On this basis, advocate light and less salt, and control the intake of fat and salt, so as to nourish and protect the stomach and really promote health.