A paper sheet handling apparatus (100) includes: a first facing section (10) and a second facing section (20) that are disposed to face each other across an insertion/take-out space (S); a partition section (30) that is disposed between the first and second facing sections so as to be capable of moving in a facing direction (D1) in which the first and second facing sections face each other, forms, within the insertion/take-out space, an insertion space (S1) between the partition section and the first facing section, and forms, within the insertion/take-out space, a take-out space (S2) between the partition section and the second facing section. The partition section includes a movable member (31) provided at a leading end portion of the partition section on an insertion/take-out port (61) side and capable of moving toward each of the first facing section and the second facing section.