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Remote sensing satellite ground station G/T values (quality factor) and system BER performance is the most important system target, and is essential to test the whole remote sensing satellite ground station. Traditional test methods for testing by artificial intervention, the testing process is complex and cumbersome, the human-computer interaction workload is great, the test efficiency is low. This article proposes a method which monitor and control subsystem unified management servo feed、channel and test subsystem resources, auto-complete system G / T values and BER performance testing program, and improve test efficiency. This paper introduces automatic test system design principle and method of automated testing, and then carries on the field test with the practical application of a project, and gives the test result.Test result shows that automatic test system and manual test is consistent, test efficiency is greatly improved, reducing manual intervention, so that the testing process is no longer cumbersome and time-consuming.