Men with exuberant leg hair may be related to heredity or nutritional status, and may also represent exuberant levels of androgen secretion. 1. Genetic factors. The amount of leg hair and the degree of density is related to genetic factors, so the family has a similar group of people, again the number of leg hair higher chances will be higher. 2. Nutritional status. Hair as a normal tissue structure, its growth process requires a lot of nutrients, in the case of adequate nutrition, the growth rate of hair will be significantly faster. 3. Exuberant level of androgen secretion in the body: When the level of androgen secretion in the body is exuberant, the number of armpit hair, beard, body hair, etc. will also increase significantly. When the number of leg hair does not affect the normal life of the case, belong to the normal state, and do not need to do too much treatment.