A winding-type permanent magnet coupling transmission device, comprising a permanent magnet rotor and a winding rotor that is coaxial with the permanent magnet rotor and capable of rotating relative to the permanent magnet rotor, an air gap existing between the permanent magnet rotor and the winding rotor; wherein the winding rotor is connected to a control structure capable of regulating the current/voltage of the winding rotor, the torque can be changed by regulating the current/voltage of the winding rotor; the winding rotor comprises a core and coil windings wound on the core in a fractional slot concentrated winding manner, a coil pitch of the coil windings being set to 1, wherein the number q of slots per pole per phase is 1/4 to 1/2, wherein the permanent rotor comprises a permanent magnet and a housing; wherein the permanent magnet comprises a plurality of permanent magnet arrays that mate with each other to form a radial magnetic pole, the plurality of permanent magnet arrays being in an alternate arrangement, and the permanent magnet forms a single-sided magnetic field, wherein the permanent magnet arrays comprise a first permanent magnet array that is radially magnetized and a second permanent magnet array that is circumferentially orthogonally magnetized relative to the first permanent magnet array, wherein the first permanent magnet array comprises a first unitary magnetic block and a second unitary magnetic block that are spacedly arranged in pair, directions of magnetic fields of the first unitary magnetic block and the second unitary magnetic block being respectively an inner direction and an outer direction along a radius direction of the permanent magnet; the second permanent magnet array comprises a third unitary magnetic block and a fourth unitary magnetic block that are spacedly arranged in pair, directions of magnetic fields of the third unitary magnetic block and the fourth unitary magnetic block being respectively a clockwise direction and a counterclockwise direction along a circumferential tangential direction of the permanent magnet; wherein the first unitary magnetic block is arranged between the third unitary magnetic block and the fourth unitary magnetic block that neighbor to each other, and the fourth unitary magnetic block is arranged between the first unitary magnetic block and the second unitary magnetic block that neighbor to each other. wherein the number q of slots per pole per phase is 1/4 to 1/2, wherein the permanent rotor comprises a permanent magnet and a housing; wherein the permanent magnet comprises a plurality of permanent magnet arrays that mate with each other to form a radial magnetic pole, the plurality of permanent magnet arrays being in an alternate arrangement, and the permanent magnet forms a single-sided magnetic field, wherein the permanent magnet arrays comprise a first permanent magnet array that is radially magnetized and a second permanent magnet array that is circumferentially orthogonally magnetized relative to the first permanent magnet array, wherein the first permanent magnet array comprises a first unitary magnetic block and a second unitary magnetic block that are spacedly arranged in pair, directions of magnetic fields of the first unitary magnetic block and the second unitary magnetic block being respectively an inner direction and an outer direction along a radius direction of the permanent magnet; the second permanent magnet array comprises a third unitary magnetic block and a fourth unitary magnetic block that are spacedly arranged in pair, directions of magnetic fields of the third unitary magnetic block and the fourth unitary magnetic block being respectively a clockwise direction and a counterclockwise direction along a circumferential tangential direction of the permanent magnet; wherein the first unitary magnetic block is arranged between the third unitary magnetic block and the fourth unitary magnetic block that neighbor to each other, and the fourth unitary magnetic block is arranged between the first unitary magnetic block and the second unitary magnetic block that neighbor to each other.