A rotor for an axial flux permanent magnet machine , the rotor comprising: a fastening sleeve , comprising 2P accommodation grooves provided along a circumferential direction of the fastening sleeve, wherein P is an integer greater than or equal to 1; and a magnetic field concentration structure , comprising 2P composite magnetic field concentration components, wherein each composite magnetic field concentration component is fixedly accommodated in a corresponding accommodation groove , and the composite magnetic field concentration component comprises a permanent magnet structure and a soft magnet structure that are embedded in each other, wherein the permanent magnet structure comprises an intermediate axial permanent magnet unit and a side permanent magnet unit distributed on one side or two sides of the intermediate axial permanent magnet unit along an axial direction of the rotor; and the intermediate axial permanent magnet unit and the side permanent magnet unit jointly form a first accommodation space , and the soft magnet structure is embedded in the first accommodation space, characterized in that the side permanent magnet unit comprises an inner permanent magnet element and two outer permanent magnet elements ; both the intermediate axial permanent magnet unit and the inner permanent magnet element are located between the two outer permanent magnet elements along a circumferential direction of the rotor, and the inner permanent magnet element and the intermediate axial permanent magnet unit are disposed at a spacing along the axial direction of the rotor; and the intermediate axial permanent magnet unit, the inner permanent magnet element, and the two outer permanent magnet elements jointly enclose the first accommodation space, the soft magnet structure comprises a first soft magnet , and the first soft magnet is embedded in the first accommodation space. a fastening sleeve , comprising 2P accommodation grooves provided along a circumferential direction of the fastening sleeve, wherein P is an integer greater than or equal to 1; and a magnetic field concentration structure , comprising 2P composite magnetic field concentration components, wherein each composite magnetic field concentration component is fixedly accommodated in a corresponding accommodation groove , and the composite magnetic field concentration component comprises a permanent magnet structure and a soft magnet structure that are embedded in each other, wherein the permanent magnet structure comprises an intermediate axial permanent magnet unit and a side permanent magnet unit distributed on one side or two sides of the intermediate axial permanent magnet unit along an axial direction of the rotor; and the intermediate axial permanent magnet unit and the side permanent magnet unit jointly form a first accommodation space , and the soft magnet structure is embedded in the first accommodation space, characterized in that the side permanent magnet unit comprises an inner permanent magnet element and two outer permanent magnet elements ; both the intermediate axial permanent magnet unit and the inner permanent magnet element are located between the two outer permanent magnet elements along a circumferential direction of the rotor, and the inner permanent magnet element and the intermediate axial permanent magnet unit are disposed at a spacing along the axial direction of the rotor; and the intermediate axial permanent magnet unit, the inner permanent magnet element, and the two outer permanent magnet elements jointly enclose the first accommodation space, the soft magnet structure comprises a first soft magnet , and the first soft magnet is embedded in the first accommodation space. <EOS>