Acne picking leaves scars, i.e. scarring left after acne lesions have healed, which can be improved through general treatment, topical medication, physical therapy and other measures. 1. General treatment: keep the skin clean and hygienic, avoid scratching, strict sun protection, healthy and light diet. 2. Topical medication: Early scarring can be used externally with acepromazine ointment, polysulfonic acid mucopolysaccharide cream, etc., which has a certain effect on inhibiting scar proliferation. 3. Physical therapy: dye laser, carbon dioxide laser and other photoelectric treatment measures can be taken to improve, but generally need multiple treatments to appear obvious results. Acne picking rotten left scars, it is recommended that patients with treatment needs to regular medical institutions, please specialist diagnosis and choose the appropriate treatment plan.