Compressor lower shell and compressor

The utility model discloses a compressor lower shell. A compressor pump body is arranged in the compressor lower shell; a plurality of supporting legs for supporting the compressor pump body are arranged in the compressor lower shell; each supporting leg is provided with an installation surface; the installation surfaces have a height difference along the central line direction of the compressor lower shell, so that when the compressor pump body is connected with the supporting legs, and a connection line between the geometric center of the compressor pump body and a mass center of the compressor pump body can be overlapped with a gravity line of the compressor pump body.