A magnetic field drive system comprising: a rail; a first magnetic field generation unit installed on the rail; a second magnetic field generation unit installed on the rail while facing the first magnetic field generation unit with a target area interposed therebetween, and a driving unit configured to move the first and second magnetic field generation units (200, 300) along the rail, wherein the first and second magnetic field generation units (200, 300) generate a magnetic field in the target area, wherein the first magnetic field generation unit includes: a first support frame installed on the rail; at least one first magnetic core supported by the first support frame and having ends disposed toward the target area; and a first coil wound around each of the first magnetic cores, wherein the second magnetic field generation unit includes: a second support frame installed on the rail while facing the first support frame; at least one second magnetic core supported by the second support frame and having ends disposed toward the target area; and a second coil wound around each of the second magnetic cores, wherein the first and the second support frames (210, 310), respectively, have ring or arc shapes, and each of the center axis of the first and the second support frames (210, 310) is arranged in parallel with the length direction of the rail, and wherein the first and second magnetic cores (220, 320), the first and second support frames (210, 310) and the rail are formed of a magnetic material, and the magnetic field formed in the target area, and magnetic fields formed in the first magnetic core, the first support frame, the rail, the second support frame and the second magnetic core, respectively, constitute a closed magnetic circuit. a rail; a first magnetic field generation unit installed on the rail; a second magnetic field generation unit installed on the rail while facing the first magnetic field generation unit with a target area interposed therebetween, and a driving unit configured to move the first and second magnetic field generation units (200, 300) along the rail, wherein the first and second magnetic field generation units (200, 300) generate a magnetic field in the target area, wherein the first magnetic field generation unit includes: a first support frame installed on the rail; at least one first magnetic core supported by the first support frame and having ends disposed toward the target area; and a first coil wound around each of the first magnetic cores, a first support frame installed on the rail; at least one first magnetic core supported by the first support frame and having ends disposed toward the target area; and a first coil wound around each of the first magnetic cores, wherein the second magnetic field generation unit includes: a second support frame installed on the rail while facing the first support frame; at least one second magnetic core supported by the second support frame and having ends disposed toward the target area; and a second coil wound around each of the second magnetic cores, a second support frame installed on the rail while facing the first support frame; at least one second magnetic core supported by the second support frame and having ends disposed toward the target area; and a second coil wound around each of the second magnetic cores, wherein the first and the second support frames (210, 310), respectively, have ring or arc shapes, and each of the center axis of the first and the second support frames (210, 310) is arranged in parallel with the length direction of the rail, and wherein the first and second magnetic cores (220, 320), the first and second support frames (210, 310) and the rail are formed of a magnetic material, and the magnetic field formed in the target area, and magnetic fields formed in the first magnetic core, the first support frame, the rail, the second support frame and the second magnetic core, respectively, constitute a closed magnetic circuit.