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 (T) interposed therebetween, and a driving unit configured to move the first and second magnetic field generation units along the rail , wherein the first and second magnetic field generation units generate a magnetic field in the target area (T), 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 (T); 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 (T); and a second coil wound around each of the second magnetic cores , wherein the first and the second support frames , respectively, have ring or arc shapes, and each of the center axis of the first and the second support frames is arranged in parallel with the length direction of the rail , and wherein the first and second magnetic cores , the first and second support frames and the rail are formed of a magnetic material, and the magnetic field formed in the target area (T), 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 (T) interposed therebetween, and a driving unit configured to move the first and second magnetic field generation units along the rail , wherein the first and second magnetic field generation units generate a magnetic field in the target area (T), 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 (T); 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 (T); 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 (T); 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 (T); and a second coil wound around each of the second magnetic cores , wherein the first and the second support frames , respectively, have ring or arc shapes, and each of the center axis of the first and the second support frames is arranged in parallel with the length direction of the rail , and wherein the first and second magnetic cores , the first and second support frames and the rail are formed of a magnetic material, and the magnetic field formed in the target area (T), 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. <EOS>