Hair loss in 14-year-old boys can be seen in seborrheic alopecia, baldness and other conditions, mostly using drug treatment. 1. Seborrheic alopecia: that is, androgenic alopecia, mostly with a family history, hair loss from the sideburns and forehead hairline began to gradually fall back, occipito-temporal hair is normal. Minoxidil can be used locally to improve blood circulation and promote hair regeneration, and ketoconazole hair lotion can be used for anti-infection treatment. If necessary, Finasteride and other drugs can be used under the guidance of doctors. 2. Patchy baldness: It is a mental factor-led, autoimmune-related non-scarring hair loss disease. The vast majority of baldness can be cured naturally within 6~12 months. For patients with extensive baldness or total or generalized baldness, it is advisable to wear a wig to reduce the psychological burden. Minoxidil can be used to improve local blood circulation and promote hair growth; Prednisolone suspension or compound betamethasone injection can be used for intradermal injection to reduce inflammation around the hair follicles; and phototherapy can be carried out under the guidance of doctors if necessary. In addition to daily life need to pay attention to regular routine, avoid staying up late, to ensure adequate sleep, eat more food rich in vitamins and proteins. There are other possible causes of hair loss in children, it is recommended to consult a doctor in time to be evaluated by a specialist. All of the above medications should be used under the guidance of a doctor, avoid self-medication, so as to avoid adverse consequences.