Disclosed is an MIMO satellite service terminal. By periodically reporting terminal state information to a gateway platform and obtaining, from a broadcast message by means of a scheduling module, a satellite communication system to which all satellite service terminals can be connected, all MIMO satellite service terminals accessing a network can update in real time the types of other satellite communication systems to which the terminals in the network can be connected. Therefore, a same satellite communication system can be selected for communication, and communication across satellite communication systems can also be performed on the basis of forwarding of the gateway platform. By means of the present invention, the flexibility of satellite communication can be improved, the interconnectivity for users using different satellite communication systems is enabled, the application convenience of the users accessing the network is improved, and the bandwidth utilization rate of the communication systems is im