Androgenetic alopecia refers to androgenetic alopecia, which can be treated but takes six months to a year to treat, and is prone to relapse after stopping the medication. The disease is caused by genetic inheritance, irregular work and rest, eating too much spicy and greasy food, and staying up late for a long time, resulting in endocrine disorders in the body that cause androgen secretion, too much oil secretion from the scalp blocking the pores and not supplying the nutrients needed for hair growth. Men take finasteride tablets orally, the side effects of this product will affect the sexual function, but it can be restored to normal after stopping the drug, and the liver and kidney function will be rechecked once every two weeks, and the drug will be stopped immediately. During the treatment period, do not stay up late, keep enough sleep, do not eat spicy, fried food, diet is based on light, continuous use of drugs for about three months can see the effect.