Applying ginger to pemphigus usually has no therapeutic effect. If the skin is sensitive, there is also the possibility of local irritation, which may aggravate the discomfort. The exact cause of pemphigus vulgaris has not been fully clarified, and is currently believed to be related to genetic, autoimmune, endocrine, emotional stress and other factors. Patients usually suffer from limited patchy hair loss, which is usually not accompanied by other uncomfortable symptoms. Ginger is a medicinal ingredient, and many patients with pemphigus vulgaris like to apply ginger to the hair loss area, thinking that it can promote hair growth. In fact, ginger has no effect on the treatment of baldness. Ginger is relatively strong irritation, if the skin quality is sensitive, the use of ginger application may cause local irritation, easy to cause local redness, pain and other symptoms. It is recommended that patients with pemphigus vulgaris do not use prescription and secret products, which can not treat the disease and may lead to aggravation of the symptoms. It is recommended to go to the dermatology department of the hospital, under the guidance of the doctor to give minoxidil tincture topical application, can also be combined with other drugs. The use of drugs should follow the doctor’s instructions.