Allergic small acne on the face can be dealt with by medication and adjusting the dietary structure, etc. This phenomenon may be caused by diet, skin care products, the environment and other factors, and should be treated accordingly. 1. Diet: Patients who are allergic to food such as seafood, peanuts, milk and other food caused by allergies, should be sent to the hospital for examination in a timely manner, so as not to delay the treatment time, so that the patient’s condition will worsen. 2. Skin care products: some substances in skin care products can cause allergies in some patients, if such a situation occurs, first of all, you need to stop using all skin care products that may cause facial allergies, isolate the allergens, if necessary, go to the hospital for allergen testing; secondly, anti-allergy treatment, oral anti-allergy drugs under the guidance of a doctor, such as loratadine. 3. Environment:There are volatile gases or chemical substances in the environment, spring willow or pollen environment may have the above symptoms, the patient should try to do a good job of protection, you can use saline cold compresses to reduce the redness and swelling of the facial skin, but also can be used externally pimecrolimus and other drugs. In addition, patients should also do some simple skin care, wash your face with water every day, avoid applying too many skin care products and cosmetics, and if there is no known reason for facial allergy, it should be sent to the hospital in time for treatment.