Switched reluctance motor (SRM) has the advantages of ruggedness, high power density, wide speed range, large starting torque and so on. However, there are few researches of power converter for SRM. On the basis of domestic and foreign literature, the asymmetric half-bridge power converter, common switching power converter, split-phase power converter, and three-switch power converter are analyzed. The advantages and disadvantages of these traditional converters are compared. After that, the topology of several new types of power converter and their current-voltage relationship are analyzed, and the future development trend of SRM power converters is summarized. This research will provide reference for the future development of power converters.