Patient: how to treat acne scars? A: Hello! Acne mishandling, over extrusion, serious infection, cysts breakout are easy to cause scars, the first need to stop the development of acne, active treatment of inflammation, the treatment of scars have internal, external, intra-scar injection, etc., but also can be used in laser, photon, fruit acid and other therapeutic repairs, mainly based on the skin lesions and the characteristics of your work and life to adopt the treatment method suitable for you!