Hello, it's good to drink milk in the morning and evening, and one cup in the morning and one cup in the evening is better, because milk is rich in nutrition, protein, trace elements and so on. If you drink a glass of milk in the morning, you can have energy and physical strength all day. If you drink a glass of milk before going to bed at night, you can calm your nerves and help sleep. The four important factors of height are: exercise, sleep, diet and stress, among which sleep and exercise are the most important. Going to bed early and doing growth and stretching exercises before going to bed will help children grow better.