Facial allergies with symptoms such as redness, swelling and fever can be treated by relieving allergen stimulation, topical medication and oral medication. 1. Relieve allergen stimulation: Common allergens include toiletries, ultraviolet rays, pollen and dust, etc. They can be relieved by avoiding the use of suspicious toiletries, good sun protection and wearing masks. If necessary, screen for allergens. 2. Topical medication: Under the guidance of a doctor, you can use glycerine lotion, pimecrolimus, etc. for topical application, and you can also use low-temperature saline or medical cold compress gel to do local cold compress treatment. 3. Oral medicine: commonly used antihistamines such as loratadine, glucocorticoid drugs such as prednisone acetate and other medications, so as to alleviate the symptoms of facial allergies. It is recommended to go to the hospital in time to avoid delays. The use of medication should follow the doctor’s instructions.