A reciprocating motor comprising: a stator having an annular shape; and a mover reciprocating relative to the stator, wherein the stator comprises an inner stator positioned inside the mover and an outer stator positioned outside the mover, wherein the inner stator and the outer stator are integrally formed as a single body, wherein the stator is formed by radially laminating a plurality of blocks (311, 315), each of the plurality of blocks (311, 315) being formed by laminating a plurality of stator core-sheets, wherein each of the plurality of blocks (311, 315) comprises a stator block having a coil receiving slot to receive an annular shaped coil therein, the stator block having an open wall surface corresponding to one axial side of the coil and a pole block that forms a wall surface of the coil receiving slot and is coupled to the stator block to form an air gap along with the stator block, the pole block being coupled to the open wall surface of the stator block to form the air gap, wherein a plurality of air gaps are formed at one axial side of the stator, in which the mover is inserted to reciprocate, and wherein the plurality of air gaps are formed at intervals along the circumferential direction of the stator, wherein a plurality of magnets that forms the mover is disposed between an outer circumferential surface of each of the plurality of the air gaps and an inner circumferential surface of each of the plurality of the air gaps, each of the magnets having the same circumferential length as the air gap, wherein the plurality of stator blocks of the stator are arranged at predetermined intervals in the circumferential direction of the stator, wherein the plurality of magnets are adhered at predetermined intervals between the stator blocks in the circumferential direction to an outer circumferential surface of a magnet holder of the mover, wherein a coupling grove of the stator block and a coupling protrusion of the pole block are formed on a coupling surface of the stator block and a coupling surface of the pole block, to connect the stator block and the pole block, and wherein the coupling surface of the stator block and the coupling surface of the pole block, except the coupling groove and the coupling protrusion, are formed to be flat. a stator having an annular shape; and a mover reciprocating relative to the stator, wherein the stator comprises an inner stator positioned inside the mover and an outer stator positioned outside the mover, wherein the inner stator and the outer stator are integrally formed as a single body, wherein the stator is formed by radially laminating a plurality of blocks (311, 315), each of the plurality of blocks (311, 315) being formed by laminating a plurality of stator core-sheets, wherein each of the plurality of blocks (311, 315) comprises a stator block having a coil receiving slot to receive an annular shaped coil therein, the stator block having an open wall surface corresponding to one axial side of the coil and a pole block that forms a wall surface of the coil receiving slot and is coupled to the stator block to form an air gap along with the stator block, the pole block being coupled to the open wall surface of the stator block to form the air gap, wherein a plurality of air gaps are formed at one axial side of the stator, in which the mover is inserted to reciprocate, and wherein the plurality of air gaps are formed at intervals along the circumferential direction of the stator, wherein a plurality of magnets that forms the mover is disposed between an outer circumferential surface of each of the plurality of the air gaps and an inner circumferential surface of each of the plurality of the air gaps, each of the magnets having the same circumferential length as the air gap, wherein the plurality of stator blocks of the stator are arranged at predetermined intervals in the circumferential direction of the stator, wherein the plurality of magnets are adhered at predetermined intervals between the stator blocks in the circumferential direction to an outer circumferential surface of a magnet holder of the mover, wherein a coupling grove of the stator block and a coupling protrusion of the pole block are formed on a coupling surface of the stator block and a coupling surface of the pole block, to connect the stator block and the pole block, and wherein the coupling surface of the stator block and the coupling surface of the pole block, except the coupling groove and the coupling protrusion, are formed to be flat.