A piece of red peeling face, indicating multiple erythema with peeling, may have a variety of causes, including allergic dermatitis, psoriasis, etc., according to the cause of the corresponding treatment. 1, allergic dermatitis: more common, after contact with allergens can appear erythema, papules, itching, flaking and other symptoms, should be away from the suspected allergens, under the guidance of doctors use anti-allergic drugs, such as oral orotropic tablets, Epinephrine Hydrochloride The use of boric acid solution as a wet compress can shrink capillaries, reduce redness and swelling, and relieve itching. Some patients’ allergy may be caused by sun exposure, which is called solar dermatitis, and anti-allergy treatment should also be carried out. You can take oral loratadine capsules combined with compound glycyrrhetinic acid capsules, apply zinc oxide boric acid ointment, avoid strong sun exposure, and avoid drinking alcohol; 2. Psoriasis is not yet curable and can recur, so it is recommended to seek medical attention in time and treat with medication under the guidance of a doctor. Mild cases can be controlled by topical creams, such as glucocorticoids and carbotriol. In severe cases, systemic treatment is required, and the available drugs include retinoic acid preparations, cyclosporine and biological agents, etc. 3. discoid lupus erythematosus: it is a chronic and recurrent autoimmune disease, mostly found on the face, neck and scalp, characterized by scattered red plaques with scaly surface. 4, seborrheic dermatitis: the human body sebum secretion parts, such as the head, face, etc., usually suffer from itching, erythema, flaking skin, lesions mainly in the perinasal area, upper eyelids or behind the ears, erythema and scales more greasy, treatment is mainly external drugs, topical glucocorticoids, such as hydrocortisone butyrate ointment, mometasone furoate cream, control of sebum secretion At the same time, it is necessary to improve living habits, ensure regular work and rest, and a balanced diet.