The invention provides a double-saw-bit cutter which is applied to an artificial board mitre saw blade production line. The double-saw-bit cutter comprises saw cutting blades, a middle separating plate, a saw bit seat, a pressing plate and a round nut. The saw bit seat is installed on a rotating shaft, the middle separating plate and the saw cutting blades are sleeved on the saw bit seat, the pressing plate is pressed below the saw bit seat, and the pressing plate is fixed through the round nut. The double-saw-bit cutter has the advantages of being simple in structure, stable in operation, cost-saving, high in recovery rate, safe, reliable and the like.