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The current emergency command system has an average response time of too long and poor anti-noise capability. In order to solve the above problems, a new BGAN emergency command and control system was researched based on Beidou satellite. The system hardware and software were designed. The system hardware designed the acquisition module, processing module, communication module and command and control module. The acquisition module The type of acquisition chip used is AHD80H-9721, the GDS110BB chip is added to the processing module, and the EXS2511 chip is selected for the communication module. The communication reporting function and the command service function are implemented on the C/S structure. Compared with the traditional emergency command and control system, the results show that the BGAN emergency command and control system based on Beidou satellite can quickly complete the response, has strong command capability, wide application range, and can operate stably under the noise interference state.