Erythema labialis round or oval is a chronic connective tissue disease of the skin-mucosa, with lesions mainly confined to the skin and oral mucosa. It starts as a dark red papule or plaque, then forms an erythematous lesion with a flaky erosion, about 0.5 cm in diameter, with a concave disc-like center, surrounded by a red halo or visible dilated capillaries, and short white streaks arranged in a radial pattern at the periphery of the halo. Women are twice as likely as men to have the disease. This is definitely a fatal blow to fellow women who love beauty, so how can women prevent lip circle or oval erythema? Preventive measures: 1. Avoid or reduce sunlight exposure as much as possible, wear a sun hat when working outdoors. Avoid cold stimulation, actively treat infected lesions, and adjust physical and mental health. 2. Avoid smoking. The harmful substances in cigarettes can directly stimulate the respiratory tract, and the smoke will bring harm to the health of the surrounding people, so tobacco should be completely eliminated. 3, avoid cold food. Cold food can stimulate the stomach and intestines, so in order to better recovery, should eat less or not. 4, avoid fried and spicy stimulating food. Spicy food such as chili, onion, raw garlic, pepper, etc.