Xinhua News Agency, Hangzhou, July 18 (Reporter Zhang Xiaojie) - Summer is hot, with strong sunlight. Going out without sun protection measures can easily cause skin redness or even tingling. Experts remind that facial redness is not necessarily a sunburn, but may also be rosacea caused by the stimulation of ultraviolet rays. It needs to be treated by a dermatologist for Symptomatic treatment treatment. "Rosette acne is a common chronic recurrent inflammatory skin disease that tends to occur in the middle of the face. Cheeks, nose, and mouth are the most typical lesions." Qiao Jianjun, Chief physician of the dermatology department of the First Affiliated Hospital of Zhejiang University School of Medicine, said that rosette acne generally manifests as paroxysmal flushing, persistent erythema, papules, pustules, hyperplasia, hypertrophy, facial edema, dry skin, papules, pustules Ocular changes such as eyelid conjunctival congestion are also common. Qiao Jianjun explained that rosacea is generally believed to be related to congenital genetic susceptibility factors, various physical and chemical irritants, abnormal natural immune function, damaged skin Stratum corneum barrier function, and homeostasis disorder. UV exposure, improper skin care, cold and hot stimulation, alcohol, demodex infection, spicy and irritating food, Helicobacter pylori reproduction in the intestinal tract, and abuse of antibiotics or hormones are common external stimuli. What to do if I get rose acne? Experts said that local treatment can be carried out through Topical medication to repair and maintain the skin barrier function. Photoelectric physical therapy, surgery, injection therapy, traditional Chinese medicine treatment and other methods can also be used. At the same time, tobacco and alcohol should be avoided to reduce the intake of high calorie, high fat, and irritating food. During summer sun protection, it is best to prioritize physical sun protection. Some patients with sensitive skin or damaged skin barriers may mistake rosacea for sunburn. Continuing to apply thick sunscreen will further stimulate the damaged skin and worsen adverse skin symptoms, "Qiao Jianjun said.