Steering performance and braking performance are important indicators to active safety technology. Power steering performance is the key technology of the automobile steering performance, the development trend of car steering is intelligent electric power steering EPS. It is not yet mature stereotyped about EPS performance and system at home and abroad. Taking “Electric power steering apparatus and test methods of technical conditions” as a standard, adopting AC servo technology, the EPS performance test system was designed. Debugging and testing results show that the test bench has such advantages, including precise control, good maneuverability, low cost and high practicality.