A magnetic refrigerator comprising: a magnetic body arranged plate on which magnetic body units are disposed in which a plurality of magnetic members, each being of the same material, are arranged in such a way that a plurality of the magnetic body units are disposed side by side in a direction perpendicular to the arrangement direction of the magnetic members; a low-temperature side heat exchange unit adjacent with a gap to the magnetic member positioned on one end of each magnetic body unit on the magnetic body arranged plate; a high-temperature side heat exchange unit adjacent with a gap to the magnetic member positioned on the other end of each magnetic body unit on the magnetic body arranged plate; a magnet/heat conductive member arranged plate on which a magnetism applying unit and a heat conductive member are provided, the magnetism applying unit having a plurality of permanent magnets (100A, 100B, 100C; 20Aa-20Ae, 20Ba-20Bf), and are configured to apply magnetism separately to the magnetic members (10Aa-10Af) of each magnetic body unit (200A-200L) disposed on the magnetic body arranged plate and the heat conductive member (30A-30G; 30Ab-30Af, 30Ba-30Bg) is configured to conduct the heat generated in each magnetic body unit (200A-200L) from the low-temperature side heat exchange unit to the high-temperature side heat exchange unit; and a driving unit (560A, 560B) that drives at least one of the magnetic body arranged plate and the magnet/heat conductive member arranged plate so to relatively move the magnetic body arranged plate and the magnet/heat conductive member arranged plate in the arrangement direction of the plurality of the magnetic body units (200A-200L). a magnetic body arranged plate on which magnetic body units are disposed in which a plurality of magnetic members, each being of the same material, are arranged in such a way that a plurality of the magnetic body units are disposed side by side in a direction perpendicular to the arrangement direction of the magnetic members; a low-temperature side heat exchange unit adjacent with a gap to the magnetic member positioned on one end of each magnetic body unit on the magnetic body arranged plate; a high-temperature side heat exchange unit adjacent with a gap to the magnetic member positioned on the other end of each magnetic body unit on the magnetic body arranged plate; a magnet/heat conductive member arranged plate on which a magnetism applying unit and a heat conductive member are provided, the magnetism applying unit having a plurality of permanent magnets (100A, 100B, 100C; 20Aa-20Ae, 20Ba-20Bf), and are configured to apply magnetism separately to the magnetic members (10Aa-10Af) of each magnetic body unit (200A-200L) disposed on the magnetic body arranged plate and the heat conductive member (30A-30G; 30Ab-30Af, 30Ba-30Bg) is configured to conduct the heat generated in each magnetic body unit (200A-200L) from the low-temperature side heat exchange unit to the high-temperature side heat exchange unit; and a driving unit (560A, 560B) that drives at least one of the magnetic body arranged plate and the magnet/heat conductive member arranged plate so to relatively move the magnetic body arranged plate and the magnet/heat conductive member arranged plate in the arrangement direction of the plurality of the magnetic body units (200A-200L).