Severe hair loss in men may be caused by seborrheic alopecia, baldness and other reasons, patients can improve the symptoms through general treatment, medication, surgical treatment and other ways. 1. Seborrheic alopecia: For patients with severe hair loss caused by seborrheic alopecia, it is necessary to pay attention to avoid staying up all night, regulate mental stress, and take oral finasteride, spironolactone, cyclopropylprogesterone and other medications under the guidance of a doctor, and can also be used topically to improve the condition, such as minoxidil. After the condition is stabilized, hair transplantation can also be used to improve the symptoms. 2. Patch baldness: patients with patch baldness should keep their mood happy, avoid staying up late for a long time or excessive psychological pressure, and should also adjust their diet to supplement vitamins, proteins, trace elements, and so on. Patients can use minoxidil, glucocorticoid ointment, dithranol and other drugs for treatment locally under the guidance of doctors. Men with severe hair loss is recommended that patients strictly follow the doctor’s instructions for medication, do not change the dose of drugs or private abuse of drugs, pay attention to head care in life, maintain personal hygiene, regular hair and scalp cleaning, do not use irritating shampoos and so on.