Acne marks, which are marks left behind by acne, can be treated with laser or other treatments that can help fade or remove them. The marks left behind by acne, which mainly include red pimple marks, pigmentation abnormalities, depressed scarring, and raised scarring, do not affect your health, but can affect your appearance. They can be treated by medication, chemical peeling, skin ablation, micro-needle therapy, laser, radio frequency and so on. 1. Red acne marks: localized new skin after acne healing, the formation time may be relatively short, can be treated by intense pulsed light, dye laser, fractional laser, can be effectively faded. 2. Pigmentation abnormality: including pigmentation and pigment loss, the former is usually inflammatory pigmentation left after acne healing, which can be helped to fade by Q laser and intense pulse light; the latter can be treated by 308 laser, which can help the skin to restore its color. 3. Sunken scar: Sunken acne marks can be treated with microneedle therapy to restart the process of localized skin damage repair to improve the appearance of sunkenness. Localized injections of hyaluronic acid and autologous fat can also be used to fill in localized depressions. 5. Elevated scar: can be treated by skin grinding or surgical excision, after surgery, under the guidance of specialized doctors to give medication to avoid re-growth of keloid scars. To summarize, skin with acne marks can be treated. However, there are different types of acne marks and different treatments, so it is recommended to go to the dermatology and cosmetic surgery departments of regular hospitals for examination and treatment with the advice of specialists.