An electric excitation permanent magnet switched reluctance motor, consisting of a rotor, a stator and an excitation control power source, wherein the stator of the motor is formed by a motor housing and an even number of electric excitation permanent magnet switch components, said electric excitation permanent magnet switch components are formed by a permanent magnet, a soft magnet, an iron core and exciting coils (101; 112), two magnetic poles of the permanent magnet (106; 117) and both ends of the iron core wound with exciting coils are respectively connected via two soft magnets, salient poles (102; 103) are provided on the two soft magnets, said electric excitation permanent magnet switch components are arranged annularly at equal spacing along the motor housing inner wall, said electric excitation permanent magnet switch components are mutually in a magnetically isolated state, and the two magnetic salient poles (102; 103) of each electric excitation permanent magnet switch component are arranged axially, and the rotor of the motor is formed by a rotating shaft and an even number of strip-shaped iron cores, the even number of strip-shaped iron cores are arranged radially at equal spacing along the rotating shaft, each strip-shaped iron core has two salient poles (105; 107; 113), and said two salient poles are arranged axially, and the magnetic salient poles of the electric excitation permanent magnet switch components on the stator are arranged opposite to the salient pole of the strip-shaped iron core on the rotor, with an air gap therebetween, and taking the rotating shaft as symmetry axis, the exciting coils of the two electric excitation permanent magnet switch components on the stator at axially symmetric positions are connected in series or in parallel and taken as a phase input to the excitation control power source. the stator of the motor is formed by a motor housing and an even number of electric excitation permanent magnet switch components, said electric excitation permanent magnet switch components are formed by a permanent magnet, a soft magnet, an iron core and exciting coils (101; 112), two magnetic poles of the permanent magnet (106; 117) and both ends of the iron core wound with exciting coils are respectively connected via two soft magnets, salient poles (102; 103) are provided on the two soft magnets, said electric excitation permanent magnet switch components are arranged annularly at equal spacing along the motor housing inner wall, said electric excitation permanent magnet switch components are mutually in a magnetically isolated state, and the two magnetic salient poles (102; 103) of each electric excitation permanent magnet switch component are arranged axially, and the rotor of the motor is formed by a rotating shaft and an even number of strip-shaped iron cores, the even number of strip-shaped iron cores are arranged radially at equal spacing along the rotating shaft, each strip-shaped iron core has two salient poles (105; 107; 113), and said two salient poles are arranged axially, and the magnetic salient poles of the electric excitation permanent magnet switch components on the stator are arranged opposite to the salient pole of the strip-shaped iron core on the rotor, with an air gap therebetween, and taking the rotating shaft as symmetry axis, the exciting coils of the two electric excitation permanent magnet switch components on the stator at axially symmetric positions are connected in series or in parallel and taken as a phase input to the excitation control power source.