The redness and itchiness of face allergy is mostly considered to be caused by contact with allergens, which can be relieved through causative factor removal, medication intervention and home care. 1. Removal of triggers: the allergy may be caused by the use of poor quality cosmetics, so it is necessary to stop using the suspected cosmetics immediately, and at the same time, to find and remove other sources of irritation to prevent the symptoms of face allergy from worsening. 2. Pharmacological intervention: for the phenomenon of face allergy, you can use saline for facial cleaning, but also can choose glycerine lotion application, can play the effect of anti-itching, astringent. 3. Family care: patients usually need to maintain a light diet, can not eat spicy stimulating food, at the same time to cooperate with the doctor for allergen testing, to avoid the suspected triggering factors. Allergies on the face red itch may be caused by other reasons, the above symptoms are recommended to consult a doctor in a timely manner, the patient to use the above drugs, need to strictly comply with the doctor’s instructions. Do not use drugs blindly to avoid adverse effects.