A paper sheet handling apparatus (100) includes: a partition portion (30) that forms an insertion space (S1) into which a paper sheet (B) is inserted from an insertion port (61) with a first opposing portion (10), and forms a taking-out space (S2) from which the paper sheet is taken out from the insertion port with a second opposing portion (20); and a conveying unit (40) that conveys the paper sheet left in the taking-out space in a state of protruding toward the taking-out space from a first opening portion (11a) of the first opposing portion and a second opening portion (33a) of the partition portion. The partition portion includes a second shutter (34) that openably closes the second opening portion, and a second shutter opening/closing unit (35, 36, 37) that opens the second opening portion by opening the second shutter in conjunction with an operation in which the partition portion moves to the remaining banknote conveyance position