Whether or not laser acne marks can be completely removed is related to the severity of the acne marks. If the symptoms are mild and short-lived, it is possible for the acne marks to be completely removed. If it is more years old and the symptoms are severe, it usually cannot be completely removed and can be improved in a number of ways. When acne occurs on the skin, it may leave behind hyperpigmentation and scarring after healing from treatment, which affects the appearance of the skin. If the formation of acne marks is relatively short, only deepening of pigmentation, through fractional laser, intense pulsed light on the local irradiation, so that the melanin particles broken to promote the absorption of metabolism, stimulate the regeneration of collagen, you can achieve to improve the role of hyperpigmentation and depressed scarring. If the acne marks last for a long time, the scars are depressed and the symptoms are more obvious, simple laser irradiation may not be able to completely repair and leveling, other ways of treatment can also be taken. Methods such as micro-needling, autologous fat filling and surgery can effectively improve depressed scars. To summarize, acne scars of different degrees of severity, the degree of recovery after laser treatment is also different. All of the above treatments need to go to the skin, cosmetic surgery department of regular hospitals, combined with the advice of specialists to give other ways of treatment.