A red face allergy may be caused by contact with poor quality cosmetics or eating allergic foods. Patients can be treated by general treatment, oral medication and topical application of medication. 1. General treatment: patients with red face allergy should stay away from allergens, do not use skin care products or cosmetics containing irritating ingredients, and avoid spicy, greasy and irritating foods. 2. Oral medication: If the red face allergy is accompanied by itching, patients can take antihistamine drugs such as loratadine tablets and cetirizine hydrochloride tablets orally for treatment. 3. Topical application of drugs: If the allergy symptoms are serious, you can also apply topical hydrocortisone butyrate cream, dexamethasone acetate cream and other glucocorticoid cream for treatment. If you have a red face with allergies, it is recommended that you go to the hospital in time for reasonable treatment under the guidance of the doctor. All of the above drugs should be used in accordance with the doctor’s instructions, to avoid blindly using drugs to cause adverse consequences.