In this paper, it discusses the state-of-art of the assistant safety driving technologies. It mainly includes the lane departure warning, ambient vehicle detection and vehicle safety distance keeping, pedestrian detection, driver behavior monitoring, vehicle motion control and communication. In the human-vehicle interaction, the large amount of information from all kinds of sensors should be well organized so that it can be used to assist driving, improve safety, avoid distraction and enjoy entertainment. The design of human-vehicle interface is also discussed.