Hair loss in boys may be a physiological phenomenon or abnormal hormone levels in the body, ringworm and other diseases, which can be improved according to the cause by adjusting lifestyle, diet, medication and other methods. 1. Physiological hair loss: hair loss of less than 100 hairs per day is a normal physiological phenomenon, which has nothing to do with diseases and usually does not require medical consultation and treatment. 2. Androgenetic alopecia: excessive androgen is converted into dihydrotestosterone in the body and combined with sex hormone receptors, leading to increased secretion of sebaceous glands, clogging pores and causing inflammation so that the hairs will enter the resting phase. You can take Finasteride orally or use Minoxidil topically to promote hair growth by direct action on the hair follicles. If necessary, you can carry out hair transplant surgery. 3. Tinea capitis: scalp fungal infections lead to hair loss, you can follow the doctor’s instructions oral itraconazole and other antifungal drugs to treat fungal infections, if dandruff, you can use miconazole cream under the guidance of the doctor and other antifungal drugs to reduce dandruff. Boys with severe hair loss should pay attention to rest, avoid excessive mental stress, it is recommended to go to the regular hospital dermatology consultation, under the guidance of the doctor to identify the causes of standardized treatment.