If a skin allergy occurs, the first thing that must be determined is the cause of the allergy, such as pollen, alcohol or seafood foods. It is necessary to get rid of the allergen as soon as possible, and at the same time avoid possible triggering factors, such as the stimulation of spicy food, such as seafood food, fish, shrimp, hair products, etc., as well as avoiding smoking and drinking. In addition, avoid localized scratching of the skin, hot compresses, physiotherapy and other operations. Skin allergies, especially facial skin allergies are mostly accompanied by thin skin stratum corneum and damaged skin barrier, attention must also be paid to the treatment of skin hydration and moisturizing to restore the skin barrier. In addition to general treatment, drugs can also be applied for topical and oral use, and glucocorticoids can be used for general topical use, which can also effectively relieve the symptoms of facial skin allergy. In addition, oral medications, such as antihistamines, can be used to relieve itching.