Acne pitting, clinically known as depressed scarring, can be improved by lasers for post-acne depressed scarring. Laser repair of depressed scarring left after acne is a medical aesthetic means commonly used today, which utilizes a specific light wave emitted by the laser to stimulate the regeneration and rearrangement of subcutaneous collagen, resulting in the gradual recovery of the depressed area, which usually requires two to three operations to achieve a better therapeutic effect. The laser can also improve inflammatory hyperpigmentation after acne. After laser repair depressed scar treatment, you need to pay attention to scientific cleanliness, light diet, avoid spicy and stimulating food; you should also strictly protect yourself from the sun. Laser repair of depressed scarring needs to go to a regular medical institution to consult a specialist physician, so as to avoid adverse consequences.