CO2 flying laser marking machine is a kind of mechatronics high-tech product. It is accepted by the majority of users, a wide range of applications, widely used in the food industry, cosmetics industry, pharmaceutical industry, automobile and other parts processing industry, wire and cable industry, aluminum pipe industry, tobacco industry and other fields. Strong applicability, stable performance, high reliability, fast speed, low power consumption, effectively prevent the circulation of fake and shoddy products, cross-regional sales and escape, prevent expired food, to ensure food safety.