Dry and itchy face is mainly considered to be related to environmental factors, excessive cleaning, dry eczema, contact dermatitis and diabetes. 1. Environmental factors: such as in the dry cold winter, the temperature is low, and the air is dry, may cause local skin irritation, and then the symptoms of dry and itchy face. 2. Excessive cleansing: frequent use of detergents to clean the face can lead to a decrease in facial oil, which in turn can lead to dry and itchy face. 3. Dry eczema: mainly related to the reduction of skin surface oil or function, which can lead to localized dry skin, slight cracks and itchy symptoms. 4. Contact dermatitis: allergic or irritant reactions that occur after contact with certain sensitizing or irritating substances can also cause dry and itchy face. 5. Diabetes: Diabetic patients are affected by high blood sugar, which may cause damage to the peripheral nerves and microcirculation of the skin, which may lead to localized dry skin, itching and other symptoms. With the above symptoms, it is recommended to go to the dermatologist in time and follow the doctor’s instructions for appropriate treatment.