A method for producing a rare earth sintered magnet, comprising the steps of: 1) preparing a slurry including an alloy powder and a dispersion medium, the alloy powder containing a rare earth element; 2) disposing an upper punch and a lower punch (3a, 3b, 3c, 3d) in respective through holes provided in a die, thereby preparing a plurality of cavities (9a, 9b, 9c, 9d) enclosed by the die, and the upper punch and the lower punch (3a, 3b, 3c, 3d), at least one of the upper punch and the lower punch (3a, 3b, 3c, 3d) being movable in a direction toward and away from the other one, at least one of the upper punch and the lower punch (3a, 3b, 3c, 3d) including an outlet for filtering to discharge the dispersion medium of the slurry; 3) applying a magnetic field exceeding 1.0 T in each of the cavities (9a, 9b, 9c, 9d) using a first electromagnet having an air core of a coil, and a second electromagnet having an air core of a coil and opposed to and spaced from the first electromagnet in a direction parallel to the direction in which at least one of the upper punch and the lower punch (3a, 3b, 3c, 3d) is movable, and then, while the magnetic field is applied, supplying the slurry in a plurality of slurry supply paths (15a, 15b, 15c, 15d) through a slurry flow path (17a, 17b) disposed between the first electromagnet and the second electromagnet and having one or more branch portions between a coil portion of the first electromagnet and a coil portion of the second electromagnet, and supplying the slurry into the plurality of cavities (9a, 9b, 9c, 9d) via the plurality of slurry supply paths (15a, 15b, 15c, 15d), the plurality of slurry supply paths (15a, 15b, 15c, 15d) linearly extending from an outer peripheral side surface of the die to each of the cavities (9a, 9b, 9c, 9d) without being branched; 4) producing a molded body of the alloy powder in each of the cavities (9a, 9b, 9c, 9d) by press molding in the magnetic field, the upper punch and the lower punch (3a, 3b, 3c, 3d) coming closer to each other while applying the magnetic field; and 5) sintering the molded body, wherein, in the step 3), the slurry is supplied into each of the plurality of the cavities (9a, 9b, 9c, 9d) at a flow rate of 20 to 600 cm 3 /second. 1) preparing a slurry including an alloy powder and a dispersion medium, the alloy powder containing a rare earth element; 2) disposing an upper punch and a lower punch (3a, 3b, 3c, 3d) in respective through holes provided in a die, thereby preparing a plurality of cavities (9a, 9b, 9c, 9d) enclosed by the die, and the upper punch and the lower punch (3a, 3b, 3c, 3d), at least one of the upper punch and the lower punch (3a, 3b, 3c, 3d) being movable in a direction toward and away from the other one, at least one of the upper punch and the lower punch (3a, 3b, 3c, 3d) including an outlet for filtering to discharge the dispersion medium of the slurry; 3) applying a magnetic field exceeding 1.0 T in each of the cavities (9a, 9b, 9c, 9d) using a first electromagnet having an air core of a coil, and a second electromagnet having an air core of a coil and opposed to and spaced from the first electromagnet in a direction parallel to the direction in which at least one of the upper punch and the lower punch (3a, 3b, 3c, 3d) is movable, and then, while the magnetic field is applied, supplying the slurry in a plurality of slurry supply paths (15a, 15b, 15c, 15d) through a slurry flow path (17a, 17b) disposed between the first electromagnet and the second electromagnet and having one or more branch portions between a coil portion of the first electromagnet and a coil portion of the second electromagnet, and supplying the slurry into the plurality of cavities (9a, 9b, 9c, 9d) via the plurality of slurry supply paths (15a, 15b, 15c, 15d), the plurality of slurry supply paths (15a, 15b, 15c, 15d) linearly extending from an outer peripheral side surface of the die to each of the cavities (9a, 9b, 9c, 9d) without being branched; 4) producing a molded body of the alloy powder in each of the cavities (9a, 9b, 9c, 9d) by press molding in the magnetic field, the upper punch and the lower punch (3a, 3b, 3c, 3d) coming closer to each other while applying the magnetic field; and 5) sintering the molded body, wherein, in the step 3), the slurry is supplied into each of the plurality of the cavities (9a, 9b, 9c, 9d) at a flow rate of 20 to 600 cm 3 /second.