To provide a paper sheet conveyance device which is not only able to easily curve a conveyance passage of a paper sheet corresponding to an arranging state of a game machine like a Pachinko game machine but also able to be easily installed.

A paper sheet conveyance device 1 includes: a frame 11 having linear rail portions 12 and 13 which guide a conveyance chain 5; side plates 17 and 18 mounted on the frame 11 along the rail portions 12 and 13; and a conveying member 35 which is provided on the conveyance chain 5 guided by the rail portions 12 and 13 and holds and conveys the paper sheet between itself and the side plates 17 and 18. The plurality of frames 11: are each formed brachymorphic along the rail portions 12 and 13; have connecting portions 25 to 28 projecting on the center in the width direction of the rail parts 12 and 13 from both ends of the frame 11; and are connected rockably toward width direction of the rail portions 12 and 13 through the connecting portions 25 to 28.