The invention discloses an oiling machine device with a purifying function. The oiling machine device comprises an oiling machine, an oiling pipe, a purifying device and a flow meter. The oiling machine is in through connection with one end of the oiling pipe. The other end of the oiling pipe is in through connection with the purifying device and the flow meter. The other end of the flow meter isconnected with the interior of an automobile oil tank through an oiling gun. The purifying device is of a cuboid structure and comprises a purifying box, a first filter plate, a sliding block, a movable rod, a first brush, a rolling frame, a steel wire rope, a fixed pulley, a rotating shaft, blades, a shifting block, a bearing, a spiral disc and a second brush. According to the oiling machine device with the purifying function, the purifying effect is good, impurity removal efficiency is high, the problem that impurities block oil flowing is avoided, and impurities in oil are brought away in time.