Acne marks can be categorized into red acne marks and black acne marks, and different treatments can be chosen according to the classification, such as medication and physical therapy. 1. Red pimple marks: Red pimple marks are formed by the expansion or proliferation of local capillaries in acne. Physical therapy, such as pulsed dye laser, intense pulse laser, etc., can destroy or close the dilated capillaries to get rid of red acne marks. 2. Black acne marks: black acne marks are inflammatory pigmentation formed after the inflammation is cured, often using medication and physical therapy. Drug treatment: such as hydroquinone acid cream can inhibit the activity of tyrosine, to inhibit the role of melanin production, you can also use azelaic acid, vitamin C and other drugs, to alleviate the purpose of black acne marks. Physical therapy: such as laser treatment, chemical peeling treatment, vitamin C ultrasonic introduction technology, to achieve the purpose of improving black acne marks. If you want to remove the perennial acne marks, it is recommended to visit a regular hospital in time and take active treatment under the guidance of a specialist.