Abstract: As a semi-active mount,a magnetorheological mount is used in the automotive powertrain vibration isolation system,and its performance directly affects the ride comfort.The structural design,control algorithm and the performance simulation analysis method of the magnetorheological mount are expounded.The performance characteristics of the magnetorheological mount under different structures are introduced,and the influence of structural design and optimization on its vibration isolation performance is highlighted.The advantages and disadvantages of several common control algorithms in control effect are compared and analyzed.It is pointed out that the magnetorheological mount controlled by PID algorithm combined with other algorithms has better vibration isolation performance.The advantages and disadvantages of bond graph theory analysis and finite element simulation analysis are compared.The research status of magnetorheological mounts is summarized.The shortcomings of single mode structure and single algorithm control are pointed out,and some problems encountered in the performance simulation analysis are pointed out.The development prospect of magnetorheological mounts is prospected.