In order to improve the stability of permanent magnet synchronous motor control system, a novel current controller based on linear sliding mode active disturbance rejection is presented, the so-called linear sliding mode active disturbance rejection control is the combination of sliding mode control and active disturbance rejection control,which is based on the chattering phenomenon of sliding mode control and the disturbance of the system. Extended state observer is the core of active disturbance rejection control (ADRC),which can effectively suppress system disturbance and improve the dynamic and static performance of the system.The simulation model of permanent magnet synchronous motor (PMSM) sliding mode active disturbance rejection vector control is built.The simulation results show that compared with the traditional sliding mode control, this method improves the stability and disturbance problem of PMSM control system.