Security intelligent checkpoint system

The utility model discloses a security intelligent checkpoint system, which comprises a camera and auxiliary lighting unit, a vehicle detection unit, an image collecting and processing unit, a transmission unit, and a central management unit, wherein the camera and auxiliary lighting unit outputs video signals, the vehicle detection unit outputs vehicle detection signals, the outputted vehicle detection signals and the video signals are inputted into a signal input end of the image collecting and processing unit, a signal output end of the image collecting and processing unit outputs license plate information, the outputted license plate information is inputted into a signal input end of the central management unit, and the central management unit stores the license information into a database. The security intelligent checkpoint system can realize functions of vehicle detection, vehicle license number automatic identification, surveilled vehicle checking, vehicle speed determining, overspeed alarm, traffic flow calculating, data transmission, remote maintenance, data retrieval, fault tolerance and anti-theft alarm.