Eczema: mainly due to allergic factors, it may be caused by drug allergy or allergy to beef, mutton, seafood and other food, or allergy caused by sunlight exposure, or allergy caused by contact with laundry detergent, detergent, cosmetics and other chemical substances, in clinical treatment need to take oral levocetirizine hydrochloride capsules, topical di 2. Urticaria: mainly due to allergies, infections or internal diseases, etc. In clinical treatment, oral Avastin capsules can be taken, and topical Furfuracin lotion can be used for treatment.