Redness at both cheeks of the face may be related to cold and hot stimulation, eczema, atopic dermatitis, etc., which generally have different skin manifestations. 1. Cold air stimulation, overdressing, high indoor temperature, and sunlight exposure may cause redness in the cheeks due to thin facial stratum corneum, shallow capillaries, or dilated facial capillaries. 2. Eczema: In facial eczema, there can be erythema, papules, papules and other skin lesions manifestations, and there is redness in the cheeks due to inflammation of the skin. 3. Allergic dermatitis: local contact with allergic substances appear red spots, itching, and even redness and swelling. If the redness on both cheeks of the face persists, it is recommended to consult a doctor in time to take appropriate and suitable treatment measures after the doctor clarifies the cause.