A salient pole type hybrid excitation motor, comprising a stator assembly and a rotor assembly, wherein the stator assembly has a stator inner cavity, and the rotor assembly is located in the stator inner cavity, the rotor assembly comprising: a magnetic yoke; an electromagnetic rotor constructed in an annular shape and sleeving the magnetic yoke, the electromagnetic rotor being provided with, at intervals on an annular peripheral surface thereof, a plurality of radial salient poles projecting radially; at least one set of permanent magnet rotor sleeving the magnetic yoke and arranged on one side of the electromagnetic rotor, each set of the permanent magnet rotor comprising: a permanent magnet rotor core constructed in an annular shape and sleeving the magnetic yoke, a plurality of radially magnetized permanent magnet steels being installed on the permanent magnet rotor core and distributed along the circumferential direction of the permanent magnet rotor core, and every two adjacent permanent magnet steels forming a pole pair; and a plurality of axial salient pole blocks corresponding to the plurality of radial salient poles of the electromagnetic rotor and installed on an outer side of the permanent magnet rotor core, the axial salient pole blocks being arranged alternately with the plurality of radial salient poles of the electromagnetic rotor, and the plurality of axial salient pole blocks and the plurality of radial salient poles of the electromagnetic rotor being matched with each other, wherein the quantity of the radial salient poles of the electromagnetic rotor is associated with and less than or equal to the quantity of the pole pairs of each permanent magnet rotor, the quantity of the radial salient poles and the quantity of the axial salient pole blocks on a single side are the same, each radial salient pole 220 faces one permanent magnet steel and each axial salient pole block faces another permanent magnet steel, and a polarity of the permanent magnet steels corresponding to the axial salient pole blocks is opposite to that of the permanent magnet steels corresponding to the radial salient poles of the electromagnetic rotor. a magnetic yoke; an electromagnetic rotor constructed in an annular shape and sleeving the magnetic yoke, the electromagnetic rotor being provided with, at intervals on an annular peripheral surface thereof, a plurality of radial salient poles projecting radially; at least one set of permanent magnet rotor sleeving the magnetic yoke and arranged on one side of the electromagnetic rotor, each set of the permanent magnet rotor comprising: a permanent magnet rotor core constructed in an annular shape and sleeving the magnetic yoke, a plurality of radially magnetized permanent magnet steels being installed on the permanent magnet rotor core and distributed along the circumferential direction of the permanent magnet rotor core, and every two adjacent permanent magnet steels forming a pole pair; and a plurality of axial salient pole blocks corresponding to the plurality of radial salient poles of the electromagnetic rotor and installed on an outer side of the permanent magnet rotor core, the axial salient pole blocks being arranged alternately with the plurality of radial salient poles of the electromagnetic rotor, and the plurality of axial salient pole blocks and the plurality of radial salient poles of the electromagnetic rotor being matched with each other, wherein the quantity of the radial salient poles of the electromagnetic rotor is associated with and less than or equal to the quantity of the pole pairs of each permanent magnet rotor, the quantity of the radial salient poles and the quantity of the axial salient pole blocks on a single side are the same, each radial salient pole 220 faces one permanent magnet steel and each axial salient pole block faces another permanent magnet steel, and a polarity of the permanent magnet steels corresponding to the axial salient pole blocks is opposite to that of the permanent magnet steels corresponding to the radial salient poles of the electromagnetic rotor.