Red acne marks are mainly due to local skin inflammation after the acne or rash has subsided, resulting in a red capillary expansion. If you want to eliminate red acne marks as soon as possible, you can do so under the guidance of a doctor through the following methods: 1. Local medication: you can relieve the redness of the skin by applying local creams, such as mucopolysaccharide polysulfate cream, compound heparin sodium allantoin gel, cumene cream cream, etc. to reduce the dilated capillaries and improve the pigmentation phenomenon. It is recommended to use under the guidance of a professional doctor to avoid allergic reactions or drug interactions, such as the use of skin redness and swelling aggravated, pain and other uncomfortable symptoms timely medical care; 2, red and blue light exposure: is a treatment of dermatological physics, red light can improve cell activity, promote cell metabolism, accelerate blood circulation, promote skin repair, to a certain extent can improve the skin dull, red and other symptoms; blue light can play the role of inhibiting bacterial growth and anti-inflammatory. It is recommended to use red and blue light irradiation to go to a regular hospital, under the operation of professional doctors according to the course of treatment, frequent excessive irradiation may cause adverse reactions; 3, photorejuvenation: that is, strong pulsed light treatment, can play a contraction effect on the capillary expansion due to inflammation, so that the red acne marks into normal skin color, but also to remove black, light spots, restore skin elasticity and other effects. This method has a long treatment period and is prohibited for photosensitive people and women during pregnancy.