Roughness and redness on both sides of the face may be caused by physiological factors such as dry climate and dehydration of the skin, and secondly, it may also be related to dry eczema, peripheral keratosis, etc. It is recommended that general treatment and medication be taken to improve the situation. 1. Physiological factors: If the climate is dry, it may trigger skin dehydration, resulting in roughness and redness on both sides of the face. It is recommended to ensure adequate water intake and use moisturizing products to care for the skin. 2. Dry eczema: Dry eczema may cause roughness and redness on both sides of the face, and patients should not over-clean the local area. You can apply calcium-modulated phosphatase inhibitors such as pimecrolimus and tacrolimus ointment as prescribed by the doctor, which have anti-inflammatory and anti-itch effects. 3. Keratosis pilaris: mostly related to heredity, metabolic disorders, vitamin A deficiency, etc., can be manifested as follicular keratosis pilaris on both cheeks, will become red when heated or emotionally agitated, and occasionally itchy. There are many reasons for the roughness and redness on both sides of the face, after excluding physiological factors, it is recommended that patients seek medical examination to clarify the cause of the disease and cooperate with doctors for standardized treatment.