In everyday driving, it is very dangerous for a vehicle to deviate from the driving lane. However, it is often misjudged during driving (miscalculation of the arc of curvature), inattention (such as chatting and walking), and especially certain dangerous driving behaviors (such as answering calls, driving with fatigue, driving after taking drugs, etc.). Inadvertently causing vehicles to deviate from the lane, most of the traffic accidents are usually caused by the above situations. Using technology to correct wrong driving has become a topic of concern to us in the future. Under strict enforcement, unnecessary traffic can be greatly reduced. ACCIDENT.