A mounting structure of a compressor for a refrigerator that includes: a base on which the compressor is mounted; a compressor that includes: a main body, and an ear mount that is coupled to the main body and that is configured to mount on the base; a post that is coupled to the base, that extends upwardly from the base, and that is configured to couple to the ear mount; a vibration absorber that is interposed between the ear mount and the base and that is configured to absorb vibration of the compressor; a stopper that is configured to restrict the ear mount from departing from the post; and an inner ear mount that includes a hole that is open toward a first direction, wherein the compressor is inserted into the machine room in the first direction, is disclosed.