Itchy face may be caused by a variety of reasons, common causes are allergies or local skin infections, mostly considered dry seborrheic dermatitis, mostly related to environmental climate change and poor body resistance. The treatment is mainly divided into internal and external treatment: 1, internal treatment: the main drug treatment, often oral antihistamines, such as Benadryl, paracetamol, Petrone and vitamin C, etc., severe cases can be treated with oral skin immune drugs such as Tianqing Ganping. 2, external treatment: the general can be applied to the sea Prin to stop the itching effect. 3, life conditioning: diet should be light, should not eat too much spicy stimulation, greasy food, etc. The face should avoid excessive contact with chemical products; pay attention to facial care when the climate changes, more hot compresses to promote local blood circulation.