Still very young and fast baldness, usually due to androgenetic alopecia, extensive baldness can also lead to baldness, the need for targeted treatment according to different causes. 1. Androgenetic alopecia: related to androgen secretion and metabolism abnormality or family heredity, mostly seen in men, manifested as progressive thinning, reduction of hair, hair loss and so on. Men can be treated with finasteride and women can be treated with cyproterone. Minoxidil can be used as topical medication, and hair transplantation can also be used. 2. Massive baldness: baldness may be related to heredity, endocrine disorders, immuno-inflammation, mental and emotional stress, and is common in young adults, mainly manifested as the sudden appearance of a round or oval shaped number of varying, clear boundary of the area of hair loss. You can use 10% chili tincture, 2% or 5% minoxidil solution to improve local blood circulation. The alopecia area can be injected with compound betamethasone injection or prednisolone suspension. At the same time oral vitamin B, calcium pantothenate, cystine and other hair growth. Usually pay attention to keep the scalp hygiene clean, do not eat too greasy or spicy food in life, to maintain a regular life habits, work and rest, so as not to affect the treatment effect. It is recommended to go to the regular hospital for examination and treatment, under the guidance of the doctor to choose the medication, avoid taking drugs without authorization, and pay attention to the adverse effects of drugs.