Itchy face may be caused by physiological factors such as skin dehydration, or it may be caused by contact dermatitis, acne and other diseases. 1. Physiological factors: If facial moisturizing is not done properly, resulting in excessive dryness of the facial skin, facial peeling, sensitivity of nerve endings, itching and other symptoms will occur. 2. Contact dermatitis: If the patient’s face has recently come into contact with allergens such as pollen and animal hair, contact dermatitis will be easily induced, resulting in itching, pimples and other symptoms on the face. 3. Acne: If the usual facial cleaning is not in place, the body androgen level is too exuberant, excessive sebum secretion, may induce acne, some patients will appear on the face of itching, redness and other symptoms. There are many reasons for itchy face, so we suggest that patients exclude physiological factors and go to the hospital to get a clear picture of the cause of the problem.