A system is provided for managing a mobile vehicle. The system may include: a first terminal that is located in the mobile vehicle and communicates with an external server by being connected to a communication network, and a second terminal that is located in the mobile vehicle and connected to the communication network through the first terminal. At least one of the first terminal and the second terminal is connected to at least one of a meter, a card reader, and a global positioning system (GPS) receiver, which are located in the mobile vehicle, through a connecting device. The first and second terminals may receive power from a power supply device.