Every day to the evening skin allergies, may be with cosmetics, toiletries, temperature changes caused by contact dermatitis or urticaria type of disease, should be clear allergens, the use of topical as well as oral anti-allergy drugs. 1. Define the allergens, pay attention to reduce the impact of temperature changes: you can go to the local regular hospitals, look for allergens, and try to avoid contact with the allergens; pay attention to the impact of temperature changes on their own, pay attention to the timely increase or decrease of clothing, or transfer to the appropriate environment. 2. Topical medication: glucocorticoid ointment, such as budesonide ointment, hydrocortisone ointment, etc., or antihistamines such as diphenhydramine cream, etc., such as itching is serious, you can use glycerine lotion to smear, and then use antiallergic drugs. 3. Oral anti-allergy drugs: If the allergy symptoms are serious, oral anti-allergy drugs can be added, such as loratadine, ebastine and so on. The use of medication should be under the guidance of a physician, and should not be used blindly, so as not to cause serious consequences.