The invention provides a camera tracking system and a method based on an RFID signal, which belongs to the field of traffic control. The camera tracking system based on the RFID signal comprises active RFID radio frequency cards arranged on marking rods inside an examination field, an RFID card reader arranged outside an examination vehicle, a vehicle-mounted system arranged on the examination vehicle, a database server, an application program server and a video monitoring server arranged in a control center, and a camera pan-tilt arranged in the examination field, wherein each RFID radio frequency card has a unique card number, and the card number of the RFID radio frequency card is corresponding to a subject in the examination field; the vehicle-mounted system transmits latitude and longitude information of driving of the examination vehicle positioned by a satellite to the control center, the database server of the control center retrieves a preset point number in a data sheet, the data are sent to the video monitoring server, and the video monitoring server sends an instruction calling a control point to the preset camera pan-tilt.