The utility model discloses a grey last cleaning device in cigarette packer tobacco bale surface, it is first including what set up from top to bottom, two air suction chamber of second, replace papertobacco bale top board and bottom plate in front of the door, air suction groove has been seted up along the tobacco bale direction of motion on the air suction chamber's of contact tobacco bale oneside the panel that induced drafts, open the hole of induced drafting in the air suction groove, the inside cavity that is of air suction chamber, air suction chamber opens an air outlet and meets negative -pressure pipeline and install the air -vent valve additional back to tobacco bale one side, the tobacco bale is through air suction chamber's the panel that induced drafts, the metal decking iseliminated the static on tobacco bale surface, surface about the tobacco bale is because negative pressure effect air forms the vortex cleans the tobacco bale surface, handle through negative -pressure pipeline dust removing through air suction chamber at the ash end. Applicable each packagine machine of the main force type that adopts in present cigar mill of this device. This device mounted position is in packing before the cellophane, and tobacco bale surface cleaning accomplishes and collects the ash end immediately and pack the cellophane, avoids the grey end to fly upward polluted environment and adhesion tobacco bale once more.