With the arrival of spring, the sun is shining and flowers are blooming, our dermatology clinic is full, especially many “red face” patients, mostly women, with facial erythema, papules, scales, accompanied by itching and tightness and even burning sensation, but afraid of the arrival of spring. The face is more sensitive than the skin of other parts of the body. Due to enhanced sun exposure, rising temperatures, cosmetics, dust, pollen and other stimuli, the face is prone to redness and itching, which affects the image. The preferred sites are the eyelids, cheeks, or the entire face, neck, and V-shaped area of the chest, which are prone to recurring attacks. So how to prevent and treat it? 1, appropriate outdoor activities, step by step, to increase tolerance to ultraviolet light; neither completely do not go out, but also to avoid sudden and prolonged strong sun exposure. 2, do not use cosmetics containing more water photosensitive substances, such as impure petroleum jelly, poor quality aromatic skin care products. 3, some foods or drugs can improve the skin’s sensitivity to ultraviolet light, such as amaranth, capers, lettuce, horsetail, rape, spinach, figs and other foods, drugs such as sulfonamides, tetracycline, chloramphenicol, chlorpromazine, isoprostanes, endrin, quinidine, carbamazepine, etc. also need to pay attention to. 4, reduce the use of cleansing cosmetics, especially not to switch to new cosmetics and skin care products, but also need to pay attention to not dyeing and perming hair. 5.After the symptoms appear, you should wash your face with cold water, avoid exertion and staying up late, suspend face wash and cosmetics, do not scratch, avoid sunlight, and reduce staying in hot and stuffy environments such as air-conditioned houses. 6, do not use drugs on their own, especially containing hormones, not standardized use, but easy to drug resistance, should be timely formal hospital consultation.