If the face appears more serious redness, swelling, itching and other allergic symptoms, you should immediately stop contact with allergens and seek medical advice, follow medical prescriptions, if necessary, intravenous injection of hormone drugs: 1, first aid measures 1, clean face: immediately wash the face gently with cold water or light salt water to remove the substances that cause facial allergies; 2, local cold compress: soaked in cold water towel on the face of the discomfort, or use Local cold compress: apply a towel soaked in cold water to the discomfort area of the face, or use physiological saline or boric acid solution soaked in gauze and then apply cold compress to the allergic area of the face to relieve symptoms through continuous cooling. Conventional treatment 1, intravenous infusion: intravenous injection of compound glycyrrhizic acid monoammonium S sodium chloride or compound glycyrrhizin injection, if the treatment effect is not good, intravenous injection of glucocorticoids, such as dexamethasone injection or methylprednisolone injection; 2, topical drugs: topical anti-inflammatory, anti-itch and anti-swelling creams, such as zinc oxide ointment, tacrolimus ointment, hydrocortisone butyrate cream, etc.; 3, internal drugs The following is a list of drugs that can be taken orally, namely antihistamines, such as paracetamol and desloratadine. Can be combined with anti-inflammatory drugs, such as compound glycopyrrolate tablets. Third, behavioral treatment to avoid allergens and prevent allergy aggravation or recurrence. During the treatment of allergy, pay attention to avoid spicy and irritating food, such as seafood, beef and mutton, etc., and eat lightly. Reduce skin care steps, disable cosmetics, and pay attention not to scratch the face to avoid infection or aggravation of symptoms.