In order to meet the market demand for a new generation of inkjet printer,this paper presents a self-designed computer-based platform for high-speed large-format full color inkjet multi-nozzle control system implementation of programs,introduces the design ideas of the control system and the structure and logical relationship of the slave modules,in-depth discussions with several typical problems in the system realization process and give some solutions for these problems.After research and test,the machine can improve the full color high-definition screen printing speed in the market-leading level.