Method of recovering rare

The problem of the present invention is to provide a method for solidifying and recovering rare-earth elements using microorganisms that have the capability to solidify rare-earth elements, and to provide a device for recovering rare-earth elements. The present invention provides a method for recovering rare-earth elements, including : a step for culturing microorganisms that have the capability to solidify rare-earth elements, the microorganisms being cultured in a solution that contains a rare-earth element, to thereby solidify the rare-earth element; and a step for treating the microorganisms including the solidified rare-earth element using a chelating agent or an acid to thereby recover the rare-earth element.