Currently, the rapid development of IoT technology in China has been widely applied in intelligent automotive information management systems. As the core of intelligent transportation and autonomous driving technology, the intelligent vehicle communication system has made revolutionary technological leaps in recent years, profoundly influencing the development path of future intelligent transportation. This paper first outlines the technology of intelligent vehicles, and then explores the overall design of an intelligent vehicle information management system based on the Internet of Things, which effectively improves traffic safety and operational efficiency, and promotes the development of intelligent transportation.