● Breakfast should include eggs, skim milk, yogurt and food, such as porridge, oatmeal, whole wheat bread, juice, a few slices of bread and an fried egg, with some tomatoes, cucumbers or other fruits. You can also drink some such as walnut powder and black sesame paste, which can not only adjust the taste, but also resist the brain fatigue caused by intense study. ● Lunch should be light, but you should consume enough calories and various nutrients. You can eat some high-calorie foods such as meat and eggs. Vegetables should pay attention to color matching and change patterns to ensure that children consume various vitamins, folic acid and plant fiber. ● On the basis of sufficient heat energy and protein supply, dinner recipes should pay attention to the collocation design of lean meat, pork liver, chicken, milk, eggs and various fresh vegetables and fruits containing animal food. At the same time, it needs certain carbohydrates, such as beans, potatoes, corn and so on. It is of positive significance to improve learning and memory, promote brain power and resist fatigue. ● At night, it is best to give priority to foods that can be quickly decomposed into glucose, such as porridge, eggs, tomato noodles, etc., supplemented by foods rich in protein such as eggs, jujubes, hawthorn, raisins and melon seeds. It is best to drink a glass of milk before going to bed to improve sleep.