70% of human height is influenced by genetic factors, that is, the parents’ height has a dominant influence on the height of their children. The remaining 30% is influenced by the acquired environment nutrition and physical exercise and other factors, the emergence of short height of boys to be considered through the following aspects: first, genetic factors, if the parents are not high, the children’s height is short, the possibility of improvement and space is not very large. There is a simple formula is the predicted height of the boy, that is, the sum of the centimeters of the parents’ height, plus twelve divided by two, is the predicted height of the child. If the parents are not high, the child’s height is not high, also belongs to the normal phenomenon, want to improve very significantly, not many ways. Second, acquired factors, the child’s short stature is first nutritional factors, is not a picky eating habits or do not eat meat, dairy products and fish intake is relatively small. In short, nutritional factors are also very important factors, we must strengthen nutrition, nutrition to balanced intake. There is also the sleep factor, because the child’s schoolwork is heavy or stressful, is not affecting the normal sleep, affecting the quality of sleep. Be sure to ensure that the child’s sleep time and quality. Third, is not the child does not like physical exercise, because physical exercise is to help height growth, so that the child to improve the habit of reluctance to exercise. Fourth, the child does not exist chronic diseases, such as the child is thin, the skin color is not good, no luster, all day mood mood is not very happy, to check whether there are other systemic diseases affecting growth and development. After these aspects are introduced, if the acquired factors are worked on, then the height will continue to improve.