With the rapid development of technology,the application of mechatronics technology can significantly improve the operation efficiency and reliability of bearings,and can also reduce maintenance costs while ensuring safety.As an important component of the vehicle,the performance optimization of automotive bearings can improve the overall operating efficiency of the vehicle,effectively reduce energy consumption,improve power transmission efficiency,and minimize unplanned maintenance caused by bearing failure.Therefore,this paper discusses the performance optimization design of automotive bearings based on mechatronics,in order to provide suggestions for the development of more efficient and reliable automotive bearing systems.