It is possible to cure baldness. The general prognosis of limited baldness is good, many patients with baldness only have a few or only one area of hair loss, and the course of the disease will only last a few months, only a small number of patients with baldness will have the side of the growth and shedding of hair continuously or repeatedly, the area of hair loss will gradually merge with each other, and then form a large area of hair loss, and the course of the disease can be up to a few years. Pemphigus vulgaris is self-healing and has the potential to resolve naturally, with the majority of people with pemphigus vulgaris being able to achieve natural healing within six to twelve months. Patients with limited baldness can be treated with localized injections or topical glucocorticosteroids, which are usually effective in about three months. Glucocorticosteroids can be used systematically in patients with extensive and rapidly progressive baldness, and immunosuppressants such as cyclosporine and small molecule drugs such as tofacitib and baricitinib can be used in refractory baldness. Therefore, after suffering from pemphigus vulgaris should go to the medical institution in time, under the guidance of the physician for diagnosis and treatment, so as not to delay the condition.