It is usually recommended that patients with facial allergies go to the hospital for allergen testing in a timely manner, and if there is an allergic reaction to saline, it should not be used; if there is no allergic reaction to saline, whether saline can be used depends on the patient’s own facial allergy: 1. No need to use: If the patient’s facial allergy is only manifested as itching or dry papules and red spots on the face, there is generally no need to use saline Wet compress, so as not to stimulate the local skin and further aggravate the face allergy. Most patients can use topical moisturizing ointments, such as urea cream, mucopolysaccharide polysulfate cream, etc.; 2, can be used: If the patient’s facial allergy has produced obvious inflammatory reactions, such as large patches of erythema, inflammatory papules and exudative reactions, local lesions can be used under the guidance of a professional doctor saline wet compresses to play an anti-inflammatory and antiseptic role. In addition to the above precautions, patients with facial allergies need to keep the affected area clean and avoid stimulation by hot water, alkaline soap, chemical reagents and other undesirable external substances. Also, in the absence of allergic reactions to the following foods, fresh fruits and vegetables such as oranges and cherries can be consumed in moderation to replenish vitamin C and strengthen the body to relieve allergy symptoms.