Pemphigus vulgaris is a psychogenic factor-led, autoimmune-related non-scarring hair loss disease, which needs to be treated with topical glucocorticosteroid drugs and oral compound glycyrrhizin and paeonia lactiflora totalis under the guidance of a doctor. There is no special diet, and a healthy and balanced diet is sufficient. The vast majority of spot baldness can be self-healing in 6~12 months, can be used under the guidance of the doctor external halomethasone ointment, hassinide solution and other glucocorticoid drugs, or minoxidil tincture, 10% cayenne pepper tincture and so on to promote the local regrowth of hair. Systemic medication is mainly oral, including cystine, calcium pantothenate, vitamin B and other drugs; for nervousness, anxiety, insomnia patients can be given sedatives such as eszopiclone, diazepam, etc. to reduce symptoms. If necessary, oral prednisone should be taken, but also with the use of compound glycyrrhizin, white peony total glucoside and other treatments. The specific use of drugs need to follow the doctor’s instructions. There is no need to be too anxious about baldness, can be under the guidance of the doctor to actively carry out the treatment, remove the triggering factors, pay attention to the combination of work and rest, to avoid mental anxiety, you can wear a wig to reduce the psychological burden. There is no special dietary taboos, pay attention to balanced nutrition, and eat more vegetables and fruits in moderation.