Energy-saving direct-current permanent magnet motor

The utility model provides an energy-saving direct-current permanent magnet motor. The energy-saving direct-current permanent magnet motor comprises a stator assembly, a rotor assembly and a stator switch module, the rotor assembly comprises a first rotating shaft and two rotor permanent magnets which are symmetrically arranged relative to the first rotating shaft; the stator assembly is arranged outside the rotor assembly and comprises a stator shell and a plurality of stator permanent magnets arranged on the stator shell; the stator permanent magnet and the rotor permanent magnet interact to drive the rotor assembly to rotate directionally; the rotor assembly has a stagnation point; the stator switch module is mounted on the stator shell and comprises a plurality of adjusting permanent magnets and a plurality of main coils; the main coil is powered by the switching circuit; and the switching circuit is configured to instantly supply power to the main coil when the rotor assembly reaches a stagnation point,