Allergic skin on the face is mostly caused by contact with allergens, but also may be related to dry eczema, dry skin, etc., can be adjusted through lifestyle habits, skin care, drug treatment. 1. Allergy: according to the condition of the need to take antihistamines for treatment, such as loratadine, cetirizine, etc., and strengthen the local skin moisturizing, repair the skin barrier, if necessary, can be used externally, such as pimecrolimus and so on. 2. Dry eczema: it is a kind of chronic eczema, which can be treated by applying zinc oxide ointment and hydrocortisone butyrate cream. 3. Dry skin: You can take care of your skin by using skin care products that are suitable for your skin, and do not use irritating or low-quality skin care products. In addition to develop a good routine, avoid staying up late, and eat a light and balanced diet. Antihistamine drugs may appear dizziness, drowsiness and other adverse reactions, in the use of, need to be used under the guidance of a doctor, not blindly private medication.