The face allergy acne is considered to be the occurrence of contact dermatitis, should be strengthened care, medication and treatment. 1. Strengthen the care: should be away from the allergic substances, if it is allergic to cosmetics, should stop make-up. If you are allergic to pollen, mites, etc., you can wear a mask when you go out, and pay attention to wash the skin with warm water, do not use irritating skin care products. 2. Medication: If you simply have acne, without erosion or oozing, you can apply a calcium-modulated phosphatase inhibitor such as pimecrolimus ointment, tacrolimus ointment, etc. If you have oozing, you can use a calcium-modulated phosphatase inhibitor to treat the acne. If oozing occurs, you can use saline, berberine hydrochloride solution for wet compresses, and then apply the above drugs after the skin becomes dry. If the itching is more serious, antihistamine drugs such as loratadine and ebastine can be taken orally. It is recommended that patients go to the hospital in time to find out the cause of it, and carry out standardized treatment under the guidance of the doctor. The above drugs should be used according to the doctor’s instructions, do not self-medication.