Black acne marks are usually caused by an increase in localized skin melanin deposits, which can be removed with the help of medication, medical aesthetic treatments, and enhanced sun protection measures. 1. Medication: For patients with lighter color and relatively mild symptoms of black acne marks, you can accelerate melanin metabolism by applying topical creams such as cumeneoside cream ointment, hydroquinone cream, compound arbutin cream, Vitamin E cream, and other creams, so as to achieve the effect of fading acne marks, and long-term persistent use of the treatment effect can be better. 2. Medical treatment: For patients with more serious black acne marks, laser treatment (such as fractional laser, picosecond laser), chemical peeling and other medical treatment methods to help break down the skin local melanin precipitation, accelerate melanin metabolism, thus helping to effectively remove the black acne marks, which has a better therapeutic effect, and has the advantages of fast onset of action, good results and so on. 3. Strengthen sun protection measures: black acne marks parts of the skin in the excessive ultraviolet radiation will further deepen the color, so pay attention to strengthen the sun protection measures, such as going out using hats, masks, umbrellas, sunglasses and other physical sunscreen products to help isolate the ultraviolet rays, and at the same time, on the basis of the use of sunscreen and other chemical sunscreen products, to enhance the effect of sunscreen. It is recommended that patients go to a regular hospital, the above treatment needs to be carried out under the guidance of a physician to avoid the occurrence of adverse reactions.