Fleet management system provides a new car management means to manage drivers and cars as well as improve security of cars and ability to deal with emergency. The system adopts call center platform which bases on IP and make use of technology such as VoIP, distributed processing, SoftACD and so on. It integrates voice, E-mail, Web and short message. Adopting advanced GPS, GIS, GPRS/GSM communication network and computer network technology, the system can achieve intelligence management that it can monitor, position, track as well as command vehicles.