The invention discloses a sawtooth cutter slaughtering and cutting device which comprises a base; supporting plates are arranged on the two sides of the base; a top cover is arranged on the tops of the supporting plates and is provided with a second open slot; a first open slot is formed in the base; the base is provided with a cutting plate; a plurality of cutting teeth are arranged on the lower side of the cutting plate; a pull block is arranged on the upper side of the cutting plate; the two bottom corner parts of the pull block are connected with the cutting plate separately; a pull strip is arranged at the top corner part of the pull block; the two ends of the pull strip are both provided with a first movable strip and a second movable strip; each first movable strip is connected with the cutting plate; each second movable strip is connected with the top cover; fixing blocks are arranged in the top cover; a fixing sheet is arranged at the bottom of each fixing block and is connected with the corresponding second movable strip; and a connecting block is fixed to the pull strip. According to the sawtooth cutter slaughtering and cutting device, an object to be slaughtered and cut can be placed on the first open slot, the pull strip can pull the cutting plate through the cutting block, the cutting plate controls the cutting teeth to cut up and down in the first open slot, and the slaughtering and cutting efficiency is high.