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In order to ensure the safety of stratospheric airship flying test, the integration test of subsystems and full system of stratospheric airship on the proving ground should be finished before flight. The test of safety control system with Beidou terminal is an important part among integration test. the test methods of stratospheric airship safety control system with Beidou terminal based on universal test platform are presented ,after the system composition and work mode are analyzed. The universal test platform include high speed information exchange architecture ,the synthetic instrument , the common test interface and so on ,which is new generation test system. the test pattern and flow are proposed, the testing program of safety control system is finished, which were used to test safety control system with Beidou terminal on some stratospheric airship. The universal test can platform provide testing results that agree with manual records. The results show that the the test methods are reasonable and feasible.