The invention provides a system and method for snapshotting the behavior of running the red light. The method for snapshotting the behavior of running the red light comprises the steps that a vehicle head picture is snapshotted by a second camera, license plate information is recognized according to the vehicle head picture, and the vehicle head picture, the license plate information and the snapshotting time are sent to an information processing device to be cached; whether a vehicle breaks rules and regulations is recognized by a first camera, and if the vehicle breaks the rules and regulations, the license plate information is recognized according to a vehicle tail picture, and a regulation violation picture, the license plate information of the vehicle breaking the rules and regulations, and the regulation violation time are sent to the information processing device to be cached; after the information processing device receives the regulation violation picture, the license plate information of the vehicle breaking the rules and regulations, and the regulation violation time, a vehicle head picture matched with the regulation violation picture is found during a snapshotting period according to which the time difference between the regulation violation time and snapshotting time of the vehicle head picture is smaller than a threshold value, and the regulation violation picture and the found vehicle head picture are combined to form a regulation violation record, wherein the regulation violation picture, the license plate information of the vehicle breaking the rules and regulations, and the regulation violation time are sent by the first camera. According to the system and method for snapshotting the behavior of running the red light, the second camera is additionally arranged for acquiring the vehicle head pictures, then head portraits of drivers are obtained, and drivers corresponding to the regulation violation records can be found.