Pemphigus vulgaris is a chronic and persistent itchy skin disease, equivalent to neurodermatitis. It starts as a red papule or rash, from a grain of vegetables to a soybean or larger, and gradually grows or fuses into patches of varying shapes and sizes, bright red or dark red in color. It is more common in newborns, children, and women. Western medicine for psoriasis: The drugs that are commonly used to control psoriasis are corticosteroids and antineoplastics. The corticosteroid class, mainly divided into two kinds of external and internal use. 1, topical drugs commonly used are skin relaxation, skin disease, skin Kang Wang, Le skin liquid, en skin cream, Darex (Denmark) and so on. 2, internal use are prednisone, dexamethasone and some imported high concentration hormone injection trimethoprim (usp) and so on. However, research has found that when papular erythema first appears on psoriasis patients, it means that the immunity of the patient’s body is reduced, the endocrine function is disturbed, and microcirculation is not smooth, resulting in skin excretion dysfunction, so that the endotoxin that should be excreted in the body accumulates under the skin, and the drugs used are not used to improve immunity, restore the normal metabolic function of the skin, and excrete endotoxin, but to use hormones and immunosuppressants to inhibit The result is that the more you treat it, the heavier it gets, which ultimately makes it more stubborn and difficult to treat, so be careful with these controlling drugs. The Chinese medicine treatment of the wind churches: Chinese medicine treatment of this disease and effective prescriptions are many, according to the pathogenesis of the disease were used to clear the heat method, blood circulation method and blood nourishing method for evidence-based treatment. The method of clearing heat treats blood-heat type psoriasis, which is equivalent to the progressive stage, with the main purpose of clearing heat and cooling blood. Prescription: Radix et Rhizoma, Radix et Rhizoma, Radix et Rhizoma, Radix et Rhizoma, Radix et Rhizoma, Radix et Rhizoma, Radix et Rhizoma, Radix et Rhizoma, Radix et Rhizoma. The prevention of windchurch rash: windchurch rash patients in case of irresistible or unpredictable emergencies, should try to control emotions, maintain a calm mood and adequate sleep time, if necessary, can take the appropriate amount of sedatives. It is also necessary to prevent infections, especially after a cold, tonsillitis, bronchitis, etc. Patients should avoid all allergic factors, cold and heat to stimulate the skin. Avoid contact with allergic substances, such as certain seafood, beef and mutton, spicy things and other substances. Avoid dampness and cold, as damp living environment and cold weather can make the disease occur or aggravate, so patients should try to avoid large cold and large heat to stimulate the skin, and keep the living room ventilated and dry.