The structure of laser cutting machine includes UV laser, high-speed scanning galvanometer, telecentric lens, beam expander, gantry marble platform, visual positioning, linear motor, electronic control system, industrial computer, shell, power supply device, electronic link circuit, dust extraction and adsorption, chiller, etc. The BOM table of the equipment contains more than 300 items. The core lies in optical devices, moving parts and visual control software. It is a high-tech integrated equipment integrating optics, mechanics and electricity.