Many women’s faces are particularly prone to redness, and for a long time, their faces appear red and also sensitive. Such patients suffer from the fact that their faces will be red and itchy whenever they are exposed to the sun, or exposed to heat or cold, or agitated, and sometimes they also send out many tiny rashes and even tingling sensations on their skin. Some patients cannot even apply many skin care products or cosmetics, or have reactions when they do, thus seriously affecting their daily lives or even their emotions. These patients are most often diagnosed with facial reoccurrence dermatitis, facial capillary dilation, cosmetic dermatitis, hormone-dependent dermatitis, and rosacea. The causes may be related to self-application of poor quality cosmetics, unreasonable topical corticosteroid use, thin facial skin and disruption of the skin barrier, and skin photosensitivity. Some patients have previous facial skin diseases, such as acne, dermatitis, pigmentation, etc., which become chronic and prolonged skin inflammation due to inappropriate topical medication. Some patients do not have skin problems, but just for the sake of beauty went to an informal beauty salon and used some unsafe skin care products, especially some peeling and whitening products, which damaged the skin and destroyed the skin barrier, making the skin extremely sensitive and prone to secondary infection. The treatment of facial erythema is mainly: 1. Exclude bad contact items, especially must avoid using poor quality skin care products. You can do allergen testing, such as patch test. The facial cold and wet compress treatment; 2, topical tacrolimus cream can reduce and lightly control recurrence; 3, laser treatment has the role of radical treatment of capillary dilation, reduce recurrence, reshape the texture of the skin; 4, Chinese medicine conditioning. 5, laser treatment of facial red blood is the exact efficacy, faster onset of treatment, mainly pulsed dye laser and intense pulsed light treatment, according to the facial red blood color thickness and density of the choice of laser type.