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The monitoring method guidance device of for a certain missile is falling behind. It has developed a set of ground monitor system by using virtual instrument. The system is in conformity with the test standard of a certain guidance device. The hardware platform is based on data acquisition card and a controller based on PXI Bus, and LabVIEW as the software platform, which can collect analog signals, the function of video signal and serial port communication at the same time. It can test the parameters and performance of the guidance device. It can be for qualitative monitoring of missile flight trajectory. The application result shows that the monitoring system is stable and reliable, which improves the efficiency and precision of the monitoring system. It has a certain popularization value.