Abstract: Because the general industrial communication network structure is complex and expensive,the system mode is improper widely used in the small-scale enterprise and workshop.This paper analyzes the basic function demands of the practical network communication system for automatic glove knitting machine,introduces the whole system construction of the glove knitting workshop based on the RS-485 serial bus.The electrical control system is implemented using the advanced PSoC(programmable system on chip) and the embedded design thoughts.The hardware interface and the protocol of the communication system are designed.The format of the inner data frame and the mode of communication transmission are represented.The network communication system reliability is discussed and the technical resolving schemes are put forward.Finally,the software function and the corresponding man-machine interface of the host computer software management system are simply introduced.