There is no fastest solution for allergic rashes on the face, the conventional solution is to stay away from allergens, oral or topical medication. Allergic rashes on the face may be caused by contact with cosmetics, skin care products, masks, etc. that contain allergens, which may cause different degrees of skin allergy symptoms, so allergic rashes must be kept away from allergens, to avoid recurrent episodes of the disease. Treatment can be topical glucocorticoid drugs such as compound dexamethasone acetate cream, or calcium-modulated neural phosphatase inhibitors such as tacrolimus, pimecrolimus, etc., can play a certain anti-itch and anti-allergic effect. When accompanied by obvious itching, antihistamines such as levocetirizine hydrochloride can be taken orally. Drugs need to follow the doctor’s instructions for rational application.