Compressor controller, compressor controller assembling method and compressor

The invention provides a compressor controller, an assembling method of the compressor controller and a compressor, and the compressor controller comprises a rear shell which is provided with a plurality of screw holes; the plurality of chip modules are arranged in the rear shell; each pressing plate comprises a through hole and a pressing part, and the pressing parts abut against the chip module and are tightly pressed on the rear shell; the alignment supporting plate is provided with a plurality of pin alignment holes, pressing plate clamping grooves for containing the pressing plates and a plurality of supporting pipelines, and the pins are sleeved with the pin alignment holes respectively; a plurality of through holes are formed in the first side of the circuit board, a plurality of bonding pad holes are formed in the second side of the circuit board, the bonding pad holes are welded to pins penetrating through the alignment supporting plate and the circuit board to reach the second side of the circuit bo