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Traditional desktop electrical interface testing has some problems, such as security risks, low test efficiency, poor data consistency and so on. According to the requirements of automatic test ability, data independent analysis ability and modular integration ability, a detailed scheme design of desktop electrical interface automatic test system for batch production satellites is carried out. Through the program-controlled junction box, the strobe control of any node signal to be tested is realized, and the analysis of the project to be tested and the generation of automatic test report are completed by using Ni acquisition board and control analysis software. This method can avoid the cable plugging and other operations in the test process, and has the ability of automatic data analysis and automatic report generation. At the same time, it can complete the parallel measurement of multiple stars. It can greatly improve the test efficiency of the desktop electrical interface, and has a strong application value.