Product description: Establish the dashboard template database according to the vehicle model; obtain the dashboard image information, the image information in front of the vehicle and the vehicle status information in real time; monitor the vehicle status, if the vehicle status is abnormal: extract the image information of the dashboard and compare it with the dashboard template database, identify the speed data and the indicator signal data of the dashboard, and combine them. Other information generates images and driving data, collects and saves them, and sends out alarm information; if the vehicle status is found to be traffic accident, extract the driving data of the involved vehicles, and restore the accident process. The invention relates the events occurred in the driving process with the corresponding instrument panel image, and the image data can be used as the intuitive evidence for the violation judgment and the accident liability judgment