The new hair that grows after the treatment of spot baldness does not have a clear sequence in terms of growth, and mainly grows in the area of hair loss. Pemphigus vulgaris is a kind of hair loss phenomenon that appears suddenly due to a variety of triggering factors. After standardized treatment, the symptoms of pemphigus vulgaris can be improved gradually, which is mainly manifested by the appearance of newborn hair on the surface of the scalp in the region of alopecia areata, and there is no specific sequence in the growth speed and the growth site of the hairs. The treatment of pemphigus vulgaris can use glucocorticoid drugs (compound betamethasone injection local closure, topical dianabed cream), minoxidil tincture topical and so on. Rapid progress, generalized systemic need to use glucocorticoids, such as oral prednisone. The specific use of drugs need to follow the doctor’s instructions. Standardized treatment is the key to promote the recovery of baldness, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor standardized treatment.