The difference in power between carbon dioxide infrared and ultraviolet laser marking equipment is significant, making it difficult to adjust to the same power, and there are also differences in processing methods. The single photon energy of infrared laser is small, and it uses laser vibration to generate thermal effects on material molecules, causing the material to dissolve first and then evaporate, resulting in scratches, which belongs to the thermal processing method; The single photon energy of ultraviolet laser is high, and the laser can directly break the chemical bonds of material molecules, producing etching, which belongs to the cold processing method. Through experimental verification, the equipment parameters that affect the marking effect of materials mainly include marking distance, marking frequency, marking speed, marking power, Q frequency, filling spacing, etc.