The surface layer of the skin after allergy is in the state of defective stratum corneum, which is thinner than the normal stratum corneum, and is very sensitive and has low resistance when it comes into contact with external irritating substances. Repair of allergic skin can start from general treatment, drug treatment, physical therapy and so on. First, general treatment: 1, repair the skin barrier: more emollient cream, gradually increase skin protection and repair the skin barrier function, daily available parasol sunscreen; 2, dietary adjustments: pay attention to avoid spicy stimulation class, as well as has been clear allergenic food; 3, avoid stimulation: allergic skin as far as possible to avoid mechanical stimulation, such as scalding bath, the use of alkaline toiletries and stimulating cosmetics, with the Small animal contact and so on. Second, drug treatment: 1, repair drugs: under the guidance of a doctor to use growth factor gel or polysulfonic acid mucopolysaccharide cream, with the use of hyaluronic acid gel; 2, anti-allergy drugs: under the guidance of a doctor can be used topically Skin Cream, mometasone furoate cream, if it is the face of skin allergies can be used to apply fusidic acid cream. Serious allergies need oral anti-allergy drugs, such as fexofenadine hydrochloride tablets, to play an auxiliary role in repair. Third, physical therapy: patients with skin allergies, localized lesions may occur, hyperpigmentation, etc., the condition is under control, you can choose photorejuvenation or laser to repair.