Itchy face for no reason may be related to environmental factors, skin sensitivity, poor cleaning, dermatitis or mite infection, and needs to be dealt with accordingly. 1, environmental factors: dry weather or long-term wind and sun exposure can cause dry, peeling or itchy skin on the face, which requires timely replenishment of moisture, attention to face moisturizing, drinking more water, and eating more fresh fruits and vegetables; 2, skin sensitivity: due to long-term The use of glucocorticoid drugs or cosmetics and excessive care may cause facial skin sensitivity, resulting in facial redness, swelling, itching, usually pay attention to moisturizing, reduce the use of functional cosmetics; 3, poor cleaning: if the face is poorly cleaned, dust, oil and easy to stimulate the skin, resulting in itching, need to seriously skin cleaning, care; 4, dermatitis: including facial contact dermatitis, facial eczema The itchy face can be caused by contact dermatitis, facial eczema and solar dermatitis, etc. In serious cases, anti-allergic ointment can be used to stop the itch; 5. Mite infection: besides causing itchy face, the pores will also become enlarged, so regular mite removal products can be used under the guidance of a doctor, and attention can be paid to the neatness of the room and living environment. If the itchy face is serious, it is recommended to visit the dermatology department of the hospital, and after professional and targeted examination, medication will be used under the guidance of the doctor.