Skin allergies are usually caused by contact with allergens and can be treated through general treatment, topical medication and oral medication. 1. General treatment: skin allergy may be related to fish, shrimp and other foods, pollen, animal hair and other substances caused by skin allergic reactions, when allergies, the first need to stay away from substances that can cause allergies, and pay attention to avoid stimulation, such as hot water scalding, scratching and so on. 2. Topical medication: mometasone furoate cream, dianabed cream and other glucocorticosteroids, tacrolimus ointment and other immunosuppressants can be used to reduce the inflammatory reaction of the skin. 3. Oral drug treatment: when the efficacy of topical drugs is not good, you can follow the doctor’s instructions oral loratadine, cetirizine hydrochloride and other antihistamines for desensitization treatment. It is recommended that patients with skin allergies go to a regular hospital in a timely manner, under the guidance of the doctor for treatment, do not blindly use their own medication.