Men’s hair loss may be caused by normal physiological factors; it may also suffer from androgenetic alopecia, baldness and other diseases. For different causes, patients can follow the doctor’s instructions to use general treatment, medication and other ways of treatment. 1. Physiological factors: Normal people lose 70-100 hairs per day, within this range is normal hair loss, without special treatment. 2. Androgenic baldness: Androgenic baldness is usually caused by genetic factors and abnormal androgen levels in the body. Patients can take 5α-reductase inhibitors such as finasteride tablets to inhibit the secretion of androgens in the body; they can also use potassium channel openers such as minoxidil tincture externally to promote hair growth. 3. Patchy baldness: Neurotrauma, mental anomalies, heredity and other factors may induce patchy baldness. Patchy baldness patients can use topical compound flumethasone cream, dexamethasone cream and other glucocorticoid drugs to treat, or local injection of betamethasone and other drugs, to play an anti-inflammatory effect. There are various causes of men’s hair loss, and it is recommended that patients go to the hospital and follow the doctor’s instructions to use the appropriate treatment.