Hair loss is related to abnormal secretion of androgen, ringworm, scalp trauma, mental stress and other factors, so in order to effectively improve hair loss need to target the cause of treatment. 1. androgen secretion abnormalities: for androgen secretion abnormalities in hair loss, often need to be treated by finasteride, spironolactone and other drugs, of which the former is only applicable to male patients, the latter is only applicable to some female patients, the two types of drugs need to be taken for three months after the effect can be seen, and at the same time can be combined with minoxidil spray to stimulate the regeneration of hair. 2. ringworm of the head: refers to the dermatophyte infection that involves the hair and scalp, can be divided into tinea versicolor, tinea versicolor, tinea versicolor, tinea versicolor and tinea pusillaris according to the causative organisms and the different clinical manifestations, which can cause hair breakage, baldness, and scarring of the scalp, etc., and can be improved by oral medication of itraconazole or terbinafine to improve the symptoms. 2. Scalp trauma: for hair loss caused by scalp trauma, patients usually need to do a good job of hair care, to avoid scalp trauma again, at the same time combing hair, hair should not be pulled too tight for a long time. 3. Excessive mental stress: For hair loss caused by excessive mental stress, patients need to self-regulate and relax. Improvement of hair loss in many ways, the specific use of which method to follow the doctor’s advice, patients should not blindly treatment, so as not to cause adverse consequences to the body.