Allergic skin can be repaired by detaching allergens, skin care, and medication. 1. Get rid of allergens. Repeated exposure to allergens over a long period of time may lead to aggravation of allergic reactions, so patients should identify and stay away from allergens as soon as possible. 2. Skin care. Avoid scratching the affected area, avoid prolonged exposure to ultraviolet rays, and use mild skin care products. 3. Medication. Topical glucocorticoids such as mometasone furoate cream can be used; oral antihistamines such as loratadine can also be taken. Skin allergy patients, it is recommended to go to the hospital, follow the doctor’s instructions reasonable treatment.