Starting from the mainstream security chip technologies，including attack and defense technologies and security protection technologies，this section extends to the main application modes and specific application scenarios of security chips，and analyzes their functions，advantages and disadvantages，as well as possible security technology requirements and security problems. The main domestic and foreign automotive safety chip enterprises and the latest development trends，summarized and listed the safety chip indicators，including grade division and performance evaluation，to facilitate the safety chip manufacturers and related enterprises to understand. Finally，it analyzes the current market size，function，high performance and autonomous controllable trend of security chip，and summarizes the competition pattern of security chip industry.