The symptoms of hair loss in boys can usually be divided into physiological and pathologic two kinds, you can choose temporary observation, drug intervention treatment. 1. Physiological: boys do not lose more than 100 pieces of hair per day, it is a physiological phenomenon, generally do not need special treatment, pay attention to scalp cleaning. 2. Pathological: the cause of hair loss in boys, may be related to seborrheic alopecia, mainly due to heredity and androgen levels, can cooperate with the doctor to choose finasteride medication, and at the same time the external use of minoxidil medication, which promotes the growth of local hair. Hair loss in men may also be caused by other pathological factors (e.g. baldness). After treatment, the symptoms of hair loss are controlled and stabilized, and hair transplantation can be used to further improve the appearance.