It adopts dynamic laser and the energy is more concentrated. The laser can permeates from the epidermis to the deep layer of skin and smashes the pigment granules of the inner of the skin instantly. Its selective destruction to the pigment granules is more stronger. It can be used to heal many intractable pigmentosus disease, nevus of Ota, freckle, tattoo, eyebrow tattoo，eye liner tattoo, sunburn.