The invention discloses a sawmilling device. The sawmilling device comprises a cutting workbench and a feeding device, wherein the cutting workbench comprises a plurality of slices; a slice fixing device is arranged on the cutting workbench; the slices are driven by a motor for transmission; the feeding device comprises a plurality of first transmission tracks and second transmission tracks which feed wood into the cutting workbench and convey the cut wood out of the cutting workbench; the feeding device also comprises a third transmission track, a slave transmission shaft, a main transmission shaft and a fourth motor; the fourth motor is connected to the main transmission shaft by the third transmission track to drive the main transmission shaft to rotate; one end of each first transmission track and one end of each second transmission track are arranged on the main transmission shaft; the other end of each first transmission track and the other end of each second transmission track are arranged on the slave transmission shaft; and the fourth motor drives the first transmission tracks and the second transmission tracks to feed the wood into the cutting workbench uninterruptedly and to convey the cut wood out of the cutting workbench. By adoption of the sawmilling device, sawmilling operation can be carried out quickly and safely with low cost.