Repeated allergies on the face may be caused by eczema, contact dermatitis, urticaria, etc., which can be treated with general therapy and medication. 1. Eczema: often recurrent allergies on the face, papules, papules, accompanied by breakouts and oozing, or scaly skin thickening. Eczema can check the allergens, targeted avoidance, at the same time, the external use of glycerite, dexamethasone cream, etc., but also oral loratadine and other anti-allergic. 2. Contact dermatitis: localized allergic dermatitis often caused by contact with ultraviolet rays, bad cosmetics, chemicals and so on. Need to get rid of the triggers, at the same time can be used externally glycerine lotion or boric acid solution, serious cases can be systemic use of cetirizine and other anti-allergic drugs. 3. Urticaria: Urticaria is a rash that protrudes from the surface of the skin, which can be white, pink or red. The main use of glycerite is also external astringent to stop itching, while oral cetirizine and other anti-allergy drugs. Repeated allergies on the face may also have other causes, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or therapy. All of the above medications should be used under the guidance of a doctor.