The present invention relates to a compressor, specifically relates to a compressor pump body fixing structure. Said compressor comprises a bracket fixed at inner walls of the compressor housing and used for fixing a pump body; the inner hole edge of said bracket bends and extends toward the center of the hole to form a sound deadening cap structure. In accordance with the present invention, by adopting the structure mentioned above, the compressor noises at frequency bands sensitive for people are reduced remarkably, A weighting averagely decreases 1-3 dB, the practical listening feeling is obviously improved, and the noises caused by that the compressor air evacuation valve raps the clack seat are basically eliminated; at the same time, the efficiency of the compressor increases 1-2% due to the pump body deformation and exhaust loss are reduced. |