White scars can be photographed with the 308nm laser. White scars generally refers to the local skin injury healing scar left at the loss of pigment, 308nm excimer laser in the narrow spectrum of medium wave ultraviolet light has to make the cell and auto humoral immunity and immune regulation, can stimulate the local cytokines and inflammatory mediators, able to induce pigmentation restoration, clinically mainly used in the treatment of leukoplakia, skin tenacious lichen planus and other diseases. After laser treatment of local pigmentation loss, it is necessary to pay attention to keep local skin clean and hygienic, in addition to strict sun protection, attention to hydration and moisturizing. It is recommended that those who have the will to treat choose regular hospitals for treatment, do not just take 308 laser, to avoid the wrong treatment leading to adverse consequences.