Dry and itchy face, consider allergic dermatitis and seborrheic dermatitis is more likely. At this time, moisturizing treatment is particularly important, you can apply dimethyl silicone oil ointment, black bean distillate oil, zinc oxide oil for treatment. At the same time oral levocetirizine hydrochloride capsule every night to take a capsule, with the compound glycyrrhizin capsule 3 times / day, 2 capsules / times. During the treatment period, you can use warm water to wash your face, but you can’t use facial cleanser. And need to stop using all the cosmetics, and need to avoid strong and persistent exposure to sunlight. In life and living should also pay attention to avoid eating spicy, stimulating diet, such as raw onion, raw garlic, strong tea, coffee, chili, mustard. Also avoid alcohol, avoid eating beef and mutton, chicken, duck, goose and dog meat, pig’s head and hooves under the water and seafood such as hairy things, and avoid using the so-called prescription, saline, alcohol, vinegar essence smear, causing unnecessary damage.