RECOVERY METHOD RARE EARTH METALS

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The present invention relates to a rare earth alloy recovery method, one aspect of the rare earth alloy recovery method according to an embodiment of the present invention, at least Nd and a rare earth alloy comprising Dy is immersed in molten salt comprising Mg halide and two alkaline halides in response to mg halide first step in which the rare earth element is selectively extracted; The second step in which the solid component and the liquid component contained in the reaction product generated in the first step is separated; The third step in which rare earth halide is separated from the liquid component separated from the second step; And the fourth step in which the rare earth metal is recovered from the rare earth halide separated from the third step; It includes, mg halide and two alkaline halides in the first step may be extracted Nd or Nd and Dy from the rare earth alloy depending on whether it is chloride or fluoride.