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Analyzing the actual needs of the 1394 bus simulation tests are integrated into the distributed test system in the testing of aerospace embedded software, a front end system of 1394 Simulation Test Based on ARM&FPGA was proposed. After a brief introduction of the 1394 bus and distributed test system, the hardware and software of front End System of 1394 simulation tests are designed and implemented, and then the distributed test system is built. The result of the test shows that the 1394 simulation test front end could meet the sending and receiving timing requirements of the 1394 isochronous data and asynchronous data packages, and successfully applied to a spacecraft software third party evaluation.