The child sleeps before 21:00 at night is good for growth, the night is particularly good secretion of growth hormone, early sleep is conducive to the role of growth hormone on the epiphysis, conducive to growth. In addition to sleep is good for children to grow, but also need to pay attention to the following aspects: 1, in daily life should pay attention to achieve a balanced and reasonable diet, not partial food, not picky food is conducive to growth. 2, to appropriately increase some bouncing sports activities, such as rope skipping, basketball, etc., while running, swimming, etc. is also conducive to the growth of children’s height. 3, for trace elements such as calcium, iron, zinc and other elements to appropriate The lack of trace elements is not conducive to the growth of children’s height. At the same time to pay attention to the income of vitamin D, vitamin D is conducive to children’s calcium absorption, is conducive to height growth, in daily life can be more sunshine, is conducive to the synthesis of vitamin D skin, is conducive to the absorption of calcium.