If the face appears more serious redness, swelling, itching and other allergic symptoms, you should immediately stop contact with allergens and seek medical attention, follow the doctor’s instructions for medication, if necessary, intravenous hormone drugs: a first aid measures 1, clean the face: immediately wash the face gently with cold water or saline, clear the face of allergic substances; 2, local cold compresses: soaked in cold water with a towel in the face of the discomfort of the parts, or use a cold compress after soaking gauze with saline, boric acid solution to relieve the symptoms through continuous cooling. Saline, boric acid solution soaked gauze cold compresses on the allergic areas of the face, through continuous cooling to alleviate the role of symptoms. Second, conventional treatment 1, intravenous infusion: intravenous infusion of compound monoammonium glycyrrhizinate S sodium chloride injection or compound glycyrrhizin injection, such as poor therapeutic effect, intravenous glucocorticoids, such as dexamethasone injection or methylprednisolone injection; 2, topical medications: topical anti-inflammatory, antipruritic, anti-swelling ointment, such as zinc oxide ointment, tacrolimus ointment, hydrocortisone butyrate cream, etc.; 3, internal medication 3, internal medicine: with oral anti-allergic drugs, that is, antihistamines, such as paracetamol, diclofenac tadalafil and so on. Anti-inflammatory drugs can be combined, such as compound glycyrrhizin tablets. Third, behavioral therapy to avoid allergens, to prevent allergy aggravation or recurrence. During the treatment of allergy, pay attention to avoid spicy, stimulating food, such as seafood, beef and mutton, light diet. Reduce the steps of skin care, prohibit cosmetics, pay attention not to scratch the face to avoid infection or aggravation of symptoms.