The CNC system of the SYSTEM2000MC milling machine machining center is a universal CNC system developed by the company. It has two structures, vertical and horizontal, and is suitable for milling machines, drilling and milling machines, grinding machines, etc. The system adopts 32-bit high-performance CPU and ultra-large-scale programmable device FPGA. The real-time control and hardware interpolation technology ensure high efficiency under the system um level precision. The editable PLC makes the logic control function more flexible and powerful. The system can control 5 feed axes, 2 analog spindles, 1ms high-speed interpolation, 0.1um control accuracy, significantly improve the efficiency, precision and surface quality of parts processing.