Boys belly hair may be caused by physiological factors, pathological factors, etc., can be treated through drugs, physical therapy and other ways. 1. Physiological factors: boys abdominal hair may be due to physiological factors, generally do not need special treatment, there are cosmetic needs, you can use hair removal cream or laser hair removal. 2. Pathological factors: hirsutism or adrenal gland tumors and other endocrine system diseases, can lead to vigorous hair growth more than the normal amount of hair, you need to go to the regular hospital endocrinology department to standardize the treatment of the primary disease, but also through the beeswaxing hair removal, laser hair removal, electrolysis hair removal method and other physical ways to remove hair. It is recommended that the patient should consult the doctor in time to find out the cause of the disease and then carry out the relevant treatment.