Mainly try to maintain a regular diet and a balanced diet structure. Simply put, try to eat different kinds of things: all kinds of cereals, such as rice, wheat, corn and so on. If you are constipated, you can eat more oatmeal, which is convenient and nutritious to eat with milk in the morning (there seems to be instant oatmeal on the market, which is convenient to boil with water). Milk and eggs are two common nutritious foods, so you can eat more. The next step is to eat more fresh fruits and vegetables, tofu and its products, with some meat dishes. In this way, all the basic nutrients needed are available.