Since exercise is also a way to promote the secretion of growth hormone, proper exercise is beneficial for growth, regardless of treatment. The exercise that is good for growth is aerobic exercise. The definition of aerobic exercise is: ① moderate intensity (exercise intensity is too large, too small is not good, just stop when the heartbeat in 120 ~ 150 times / min more appropriate). ② regular, continuous exercise. ③ at least 20 minutes each time (for those who need to lose weight, it is best to reach half an hour each time). ④ try to be outdoors (everything grows by the sun, and so does human growth. The reason why people in the northern region are taller than the south, there are climatic factors, but also the sunshine time factor. The more northern, the less rain in the long year, the longer the total time of sunshine). The way of exercise to jogging, slow jump rope, etc. is good. Ball sports, swimming, etc. can also be, only need to pay attention to maintain the continuity of the movement, the ball is not in hand when you also need to pay attention to run. Too strenuous exercise will cause hypoxia, is anaerobic exercise, but is not conducive to growth. There is also the disadvantage of continuous exercise for too long.