A jig for transferring a battery module according to the present invention comprises: a base plate equipped with a transfer roller for horizontally transferring the battery module; a plurality of guide rollers disposed on the outer periphery of both sides of the base plate; a winch which is coupled to the battery module mounted in a battery module rack and separates the battery module from the battery module rack; and a mounting part coupled to the bottom of the base plate, wherein the battery module can be easily and safely separated from the battery module rack, and accordingly, work safety can be improved.