Hair baldness has a piece, should try to stop the development of the disease, can be relieved through general treatment, drug treatment, physical therapy and other methods. 1. General treatment: baldness patients should keep enough sleep, avoid too much mental tension and anxiety, and wear a wig to relieve the psychological burden if necessary. 2. Medication: Minoxidil can be applied to the bald spot to promote hair growth. In addition, you can also use topical dexamethasone acetate cream and other drugs. If necessary, glucocorticoid drugs such as prednisone or immunosuppressants such as cyclosporine can be used as prescribed by the doctor. 3. Physical therapy: patients can also apply excimer laser, photodynamic therapy, ultraviolet irradiation, fractional carbon dioxide laser and so on to improve the symptoms of pemphigus vulgaris under the guidance of doctors. It is recommended that patients with pemphigus vulgaris should consult a doctor in time, and strictly follow the doctor’s instructions for treatment after a clear diagnosis, so as not to delay the condition or use medication arbitrarily.