Computer monitoring and control system adopts Siemens industrial computer and S7-300 series PLC. This system has high pressure, brake, the furnace control, water system, hydraulic system control, and other functions. Keyboard input realizes automatic display, control, memory, and automatic diagnosis function; Siemens PLC, man-machine interface combination system, graphical operating system, has the breakdown self check function can monitor electric furnace operating parameters, including water system operation monitoring, hydraulic system operation monitoring, reactor operation monitoring and high pressure systems, transformers, power consumption, the work of the induction coil temperature such as monitoring and alarm information.