I. Proper control of diet Avoid excess nutrition, especially avoid foods with a lot of fats and oils, eat less sweets, but ensure the intake of protein and should eat more vegetables and fruits. It should be noted that children should avoid eating nutritional and health products that may contain sex hormones, and should not use skin care products that contain sex hormones. Second, increase physical activity, especially to strengthen the exercise of the lower limbs, should ensure that more than 30 minutes of exercise time every day, sports projects can choose running, climbing and jumping rope. Three, to ensure sufficient sleep every night should have eight or nine hours of high-quality sleep to ensure that the pituitary gland can secrete sufficient amounts of growth hormone at night, because growth hormone has an important role in promoting rapid growth in height. Fourth, create a good environment For example, do not let children too much exposure to visual stimuli incompatible with their age, so that their nature can be brought into play, and gradually realize the return of the “true colors”.