A bill storage comprises: a plurality of bill receipt portions provided therein; a bill inlet-outlet, which is provided on an upper surface of the bill storage and through which bills are taken out or received from outside; and a taking-out and accumulating mechanism part provided on each of the receipt portions to perform actions, in which bills are taken out and in which bills are accumulated, wherein at least a first bill receipt portion and a second bill receipt portion are arranged in a state of being stacked in this order from a side of the bill inlet-outlet, the bill inlet-outlet is provided on a predetermined side, and the taking-out and accumulating mechanism part provided on the first bill receipt portion is arranged on another side opposed to the predetermined side.