Itchy skin on the cheeks can be related to contact dermatitis, urticaria and hormonal dermatitis. 1. Contact dermatitis is an allergic reaction that occurs when the facial skin comes into contact with some kind of irritating or sensitizing substances, which can be manifested as localized itching, erythema, and rashes in the clinic. 2. Urticaria is due to allergens into the body, and induced a kind of vascular metamorphosis reaction, mainly manifested as limited temporary elevated erythema, can be accompanied by itching. 3. Hormonal dermatitis is due to prolonged abuse of hormones, or the use of hormone-containing cosmetics and lead to a kind of skin disease, in the clinic will also be manifested as itchy skin. Due to the complexity of the cause, the specific situation needs to ask the doctor for a face-to-face consultation.