Dot matrix laser technology is a skin cosmetic technique that is a minimally invasive treatment between invasive and non-invasive. The theory of lattice laser therapy in English is called SMART SKIN CO2 (Dot Matrix Photothermal Decomposition) theory. It was first published by Dr. Rox Anderson, a laser medical expert at Harvard University in the United States. It was immediately recognized and quickly applied by experts around the world. In clinical treatment, the effect is remarkable.