Repeated face allergies need to understand the cause of allergies and timely detachment from the allergen, pay attention to not scratching to avoid secondary infection. If necessary, physical therapy or medication should be taken under the guidance of a physician. 1. Disengage from allergens: allergy often occurs after contact with allergens, such as ultraviolet light, bad cosmetics, chemical substances, etc., before treatment, should be disengaged from allergens in a timely manner. If the allergens are unknown, you should actively search for them or go to the hospital for a professional allergen search to find out the cause of the disease and then avoid the allergens as much as possible in the future. 2. Mild allergy: for mild allergy can be manifested as slight redness, swelling and fever on the face, etc., it should be detached from the desensitizing agent in time, and physical therapy can be tried under the guidance of physicians, such as medical repair mask, washing the face with clean, cold water or saline, etc., to alleviate the local discomforts. 3. Severe allergy: for local itching, redness, swelling and other symptoms of serious people should consult a doctor in a timely manner, under the guidance of a physician oral antihistamines, such as loratadine, etc.; topical glucocorticosteroids, such as hydrocortisone and other anti-inflammatory, to promote the subsidence. 4. Other: face always recurring allergies should pay attention to physical exercise and sleep enough, go out and pay attention to sunscreen, usually can be used externally with medical skin care products to care for the skin; allergies to avoid the use of cosmetics, do not mess with the mask. In short, the face always recurring allergies, should be dealt with in a timely manner to the hospital, and under the guidance of the doctor for treatment.