CO2 flight laser marking machine with stable performance, using industrial grade laser, high-speed digital oscillator, embedded flight marking controller, high system integration, low power consumption, compact structure, stable performance. Easy to operate, the system adopts touch screen, friendly human-machine interface, simple and fast operation, easy to get started. Small space occupation, optical cavity and control box integrated installation, lifting frame can be adjusted up and down, front and back, pitch angle, easy to adapt to different production lines.