The automobile sensor is a device that converts non-electrical signals into electrical signals and transmits various working conditions information to the automobile. It is the core hardware to realize the intelligent driving of the automobile. According to different signal sources, vehicle sensors can be divided into body sensing sensors and environment sensing sensors. The body sensing sensor improves the information level of a single vehicle and makes the vehicle have the ability to sense itself; The environment sensing sensor realizes the perception ability of a single vehicle to the external environment, helps the vehicle computer obtain environmental information and make planning decisions, and provides support for the intelligent driving of vehicles.