Flexible discrete production line has the characteristics of highly interconnected, dynamic reconstruction, massive data, intelligent interaction, and deep integration; all hardware and software elements in the system are connected through the network; resources are dynamically reorganized according to processing needs; a large amount of data is generated in real time; Objects and objects, objects and people can interact naturally; all elements work closely together to complete manufacturing tasks flexibly and efficiently. It provides a research platform for intelligent manufacturing, industrial Internet, industrial big data, digital twins.