The invention discloses an automobile air conditioner compressor having a self-purification function. The automobile air conditioner compressor comprises a compressor body, a piston cylinder and positioning rings, wherein an air outlet pipe is arranged in the compressor body, and an air inlet pipe is arranged at the bottom of the air outlet pipe; the air outlet pipe and the air inlet pipe are respectively connected to the inner part of the piston cylinder; the bottom of the compressor body is connected with a hydraulic damper, and the hydraulic damper is connected with the positioning rings, and is connected with an oil delivery pipe; one end of the oil delivery pipe is connected with an electromagnetic valve; the electromagnetic valve is fixed to the inner part of a lubricating oil box; an oil storing chamber is arranged in the lubricating oil box; the top of the oil storing chamber is connected with an oil delivery pump; the top of the oil delivery pump is connected with an oil outlet spray head; the electromagnetic valve and the oil delivery pump are electrically connected with a lubrication controller; and the lubrication controller is connected with a timer. According to the automobile air conditioner compressor disclosed by the invention, harmful gas in refrigerating air can be effectively adsorbed by the compressor, so that peculiar smell of an automobile is reduced, and refrigerating effects are improved; smudginess in a circulating flow channel can be cleaned out at intervals, so that the circulation of the refrigerating gas is smoother, and the effect of self purifying is realized.