The utility model discloses a device for double-deck pipe tobacco screening of self-cleaning type, including upper screen cloth and the lower floor screen cloth of parallel arrangement on the fixed bolster, upper screen cloth is wavy structure on the advancing direction of pipe tobacco material, and upper screen cloth is equipped with waist type hole, its characterized in that at its trough position: the upper strata screen cloth comprises the polylith otter board on the advancing direction of pipe tobacco material, is in the same place through the mutual overlap joint of its adjacent crest between the adjacent otter board, be provided with self-cleaning mechanism between upper strata screen cloth and the lower floor's screen cloth, self-cleaning mechanism includes a plurality of parallel arrangement's magnetism coupling formula rodless cylinder, and the outer magnetic ring of a magnetism coupling formula rodless cylinder section of thick bamboo is put in and is provided with the row's of cleaning brush, and the row's of cleaning brush is mutually perpendicular with magnetism coupling formula rodless cylinder on length direction. The utility model discloses the advantage: convenient and fast is dismantled to its upper screen cloth, provides convenience and ensures for the maintenance of lower floor's screen cloth, set up self-cleaning mechanism between lower floor's screen cloth and the upper screen cloth, can realize that the automation of lower floor's screen cloth is cleaned.