Boys often masturbate generally will not affect the height. The determinants of height include congenital factors and acquired factors, congenital factors are genetic factors, that is, the family’s height, acquired factors include nutritional status and exercise, long bone epiphysis closure time sooner or later, etc., and masturbation itself does not have absolute correlation, so masturbation will not affect the height in general. However, if frequent masturbation, it does cause some hidden problems to the body, such as long-term, repeated frequent masturbation may cause long-term prostate congestion, resulting in chronic prostatitis and other diseases. Boys should pay attention to avoid frequent masturbation, usually to eat a reasonable diet, fully replenish calcium and other nutrients, try not to stay up all night, to ensure sufficient sleep time, every day with the right amount of exercise, these will help the growth of height.