The superficial layer of skin after allergy is in a state of stratum corneum deficiency, which is thinner than normal and very sensitive and less resistant when exposed to external irritants. Repairing allergic skin can start from general treatment, medication and physical therapy. First, general treatment: 1, repair the skin barrier: use more emollient creams, gradually increase the protection of the skin and repair the barrier function of the skin, daily use of sunshades to protect against the sun; 2, dietary adjustment: pay attention to avoid spicy and stimulating, as well as has been clearly allergenic food; 3, avoid stimulation: allergic skin as far as possible to avoid mechanical stimulation, such as scalding when bathing, the use of alkaline toiletries and irritating cosmetics, with Small animal contact, etc. Second, drug treatment: 1, repair drugs: under the guidance of the doctor to use growth factor gel or mucopolysaccharide polysulfate cream, with the use of hyaluronic acid gel; 2, anti-allergy drugs: can be under the guidance of the doctor can be used topical skin cream, mometasone furoate cream, if the facial skin allergy can be used fusidic acid cream topical application. Those with severe allergies need to take oral anti-allergy drugs, such as fexofenadine hydrochloride tablets, to play an auxiliary role in repair. The skin allergy patients may have localized skin lesions and pigmentation, etc. After the condition is controlled, you can choose photorejuvenation or laser to repair.