Abstract: In order to reduce the torque ripple and improve the steady accuracy and dynamic response of the direct torque control system in permanent magnet synchronous motor,an adaptive neuro-fuzzy inference system speed controller is presented, which can make the rotor speed follow the set value quickly.And the detailed realization method is given.Simulation results show that the direct torque control in permanent magnet synchronous motor with ANFIS can improve the static and dynamic performance of the motor which has good robustness.