Abstract: The design of the high speed rapier loom con trol system based on TMS320LF2402 chip was described.Current advanced high speed rapier looms' control system's characteristic was described,and the har d ware architecture of DSP chip TMS320LF2407 was introduced.The control s y stem's hardware and software design was brought up and discussed.The system mak es use of the DSP's strong operation ability,high speed and good c/p ratio.It increase s the system's sensitivity,and the system operates well.