Acne marks can be selected for elimination according to their types, such as black acne marks, red acne marks, acne scarring, and after clear diagnosis, general treatment, medication or laser treatment can be chosen. 1. Black acne marks: Black acne marks are pigmentation left after acne recovery, you can choose topical hydroquinone cream, retinoic acid cream, and if necessary, fractional laser to remove black acne marks. 2. Red acne marks: red acne marks are due to the inflammation and capillary expansion left behind by acne in the process of recovery or after complete recovery, and can be improved by choosing pulsed dye laser. 3. Acne scarring: Acne proliferative scarring can be treated with medications such as Centella asiatica repair cream and silicone preparations in the early stages of acne formation, and atrophic scarring can be removed with laser treatment. It is recommended to go to the hospital in a timely manner and take the above treatment as prescribed by the doctor, and not to use medication indiscriminately, which may lead to adverse consequences.