The participating team designed and produced an automobile early warning system to realize the vehicle's early warning, decision control, convenient control and information interconnection. The system is mainly composed of a control system and includes a mechanical support part. The main control category includes the minimum system of single-chip microcomputer, various sensors, drive systems, GSM communication, etc., with STC89C52RC as the control core, and the product has diversified functions, including alcohol testing, gas detection, automatic pop-up of safety warning signs after vehicle accidents, and traffic accidents After the transmission of information, broadcast, light control, etc. In order to solve practical problems and consider the design, to meet the automotive safety technology market demand for automotive safety performance improvement, diversified systems meet the needs of people driving safety.