The utility model belongs to a traffic intelligent management system field especially relates to a big data platform system of motor vehicle intelligent management, including central platform, on -vehicle network communication management system, cell -phone APP end, license plate discernment information acquisition module, central platform server and functional module group, on -vehicle network communication management system carries out radio communication with central platform, center platform server organizes with the functional module and carries out data sharing and exchange, on -vehiclenetwork communication management system includes main control chip and module of satellite position, CAN bus communication module, wireless communication module, storage module and financial payment module. This can show the road conditions vehicle flowrate in real time and go on rationally transferring flowing, reproduce emergence accident process, the information sharing is realized to the addressable central platform of car owner, and information such as examining the car is acquireed to developments, but the traveling track of real time monitoring vehicle, analysis violation behavior withthe parking area networking, can realize utilizing through navigation inquiry parking stall rational distribution.