Method for producing sintered magnets

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A method for manufacturing a sintered magnet according to one embodiment of the present disclosure includes the steps of : producing an R-T-B-based magnetic powder through a reduction-diffusion method; and sintering the R-T-B-based magnetic powder, wherein the R is a rare earth element, and the T is a transition metal, and wherein the step of producing the magnetic powder includes a step of adding a refractory metal sulfide powder to the R-T-B-based raw material.