Apart from genetic factors, in fact, what we can control most is nutrition. In the growth and development stage of your body, all the substances in your body come from your food, which is of course directly related to your height. Give up snacks and the like completely, which will only solve the problem of gluttony. Eat more eggs, beef and mutton, vegetables and milk. Then there is exercise. A lot of exercise at your age will only be beneficial to the reconstruction of your body, but a single repetitive exercise will wear out joints and ligaments, so you need to pay attention. In sports, swimming, basketball and parallel bars are all good choices. At ordinary times more pressure leg press, lacing. If you insist on this from before puberty, it doesn't matter how long it is 10cm in the same situation.