Based on the in-orbit state of the Beidou Navigation Satellites, the state of the satellite’s platform and payload is analyzed in this paper. To make customs comprehend the Beidou Satellites more deeply, and to expand its application scope, the analyzed result of the main character data about the satellite’s platform and payload is given. The analysis Result of the in-orbit data shows that the Beidou Navigation Satellites have had the ability to supply the demanded services for user in the predefined region.