The invention discloses a parking lot real-time information networking management system, which comprises a voice module, a vehicle-mounted terminal, a mobile terminal, an RFID parking card, a communication server, a management server, a monitor, a database, an information issue platform, a relay node module, a router, a parking place detector, a parking lot detection device, a parking lot guiding module and an RFID card reader. The voice module, the vehicle-mounted terminal, the mobile terminal and the RFID parking card are connected with the communication server; and the communication server, the monitor, the database, the information issue platform, the relay node module, the router, the parking place detector, the parking lot detection device, the parking lot guiding module and the RFID card reader are connected with the management server. The parking lot real-time information networking management system improves utilization rate and balance of a public parking lot, reduces additional traffic volume due to blind parking space seeking and relieves the traffic jam status of a road network in a region.