PURPOSE:To minimize the occupying space of a bottle accumulation device by providing an accumulating conveyor device, a discharging conveyor device and a pallet device against a principal conveyor device as well as disposing a transport means for transporting bottles among the accumulating conveyor device, the discharge conveyor device and the pallet device. CONSTITUTION:An accumulating conveyor device 200 into which bottles 12 are supplied from a principal conveyor device 100 through a bottle discharge means is provided parallel to the principal conveyor. A pallet device 500 for accumulating the bottles 12 to be supplied to the accumulating conveyor device 200 is provided, and the bottles 12 received from either the pallet device 500 or the accumulating conveyor device 20 are supplied to the principal conveyor 100 through a bottle receiving means by means of a discharging conveyor device provided parallel to these conveyor devices 100, 200. In this case, the bottles are transported by a transport means 400 among the accumulating conveyor device, the discharging conveyor device and the pallet device.