Redness of the skin on the face can be caused by contact dermatitis, eczema or hormone-dependent dermatitis, which can be improved or relieved by general treatment and medication. 1. Contact dermatitis: It is often caused by contact with irritating chemicals or ultraviolet rays, resulting in redness, rash, itching or pain. If the skin lesions are not broken, you can use topical glycerite or zinc oxide, etc., to play the role of astringent itching, and at the same time, topical glucocorticosteroid ointment, oral antihistamines and other anti-allergy treatment. 2. Eczema: inflammatory skin disease caused by internal and external factors. Often manifested as erythema, papules, papules and so on, accompanied by obvious itching. When there is no exudation of skin lesions, glycerite can be used externally to astringe the itch, while glucocorticoid creams, such as compound dexamethasone cream, oral antihistamine drugs such as loratadine treatment. 3. Hormone-dependent dermatitis: an inflammatory skin disease caused by long-term use of glucocorticoids. It is recommended to stop using glucocorticosteroids immediately, topical tacrolimus and other calcium-modulated phosphatase inhibitors, combined with petroleum jelly, lanolin and other moisturizers, there is obvious itching can be taken orally loratadine and other antihistamines to stop itching treatment. There are other reasons for the redness of the skin on the face, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, the cause of the treatment, the above medication as prescribed by the doctor.