Provided is a satellite ground control system and method based on a communication satellite. The system includes: a communication satellite link means for monitoring and controlling a system device and transmitting remote measurement data and a process result to the central control station; an interface for analyzing the command, transmitting the command to a processing means and transmitting remote measurement data and a process result to the communication satellite link means; a satellite operating means for receiving a command from the interface, transforming the command into a remote command and transmitting remote measurement data to the interface; and a control satellite link means for transmitting the received remote command, receiving the remote measurement data, transmitting the remote measurement data to the satellite operating means, and transmitting a process result of monitor and control of a corresponding system device to the interface.