Recovery time after laser treatment for redness cannot be generalized, it is closely related to the type of laser, personal constitution, postoperative side effects, etc. People with lighter symptoms may need to do it 2-3 times, and the redness can be eliminated; people with heavier symptoms and fewer treatments may have unsatisfactory results and need multiple laser treatments, and for each treatment to stop it from being red and to recover to the point where there is no redness and no redness can be seen It will take about 1 month for each treatment to stop the redness and restore it to a level where there is no redness and no visible redness. Laser treatment is the most commonly used method for treating facial redness, which mainly utilizes the selective photothermal effect of laser to heat the hemoglobin in the capillaries, causing them to thermally coagulate, thus causing the dilated blood vessels to shrink. After each laser treatment, local ice packs are needed for about 20 minutes, and the discomfort can be significantly relieved. The use of laser treatment of redness should be treated according to the course of treatment, which can effectively reduce the density of redness. In the laser treatment at the same time, but also with the use of drugs to promote skin repair, increase the thickness of the skin stratum corneum, in order to achieve better therapeutic effect. After laser treatment, attention should be paid to sun protection, not long time exposure to the sun, should pay attention to moisturizing, more use of moisturizing skin care products. After laser removal of redness, some patients may have short-term facial exudate, small blisters, etc. At this time, attention should be paid to clean and dry to prevent infection.