<p>A slip storing apparatus for storing slips (2) successively issued by a slip issuing machine (1). The slip storing apparatus comprises: a conveying mechanism (3) for conveying slips (2) issued by the slip issuing machine (1) in one direction, and a slip storing unit (4) having a slip support surface (22) for supporting slips at their lower edges, declined to the rear at an angle to a horizontal plane, and a movable slip holding member (20) having a slip holding surface (21) substantially perpendicular to the slip support surface (22) and supported for movement along a plane including the slip support surface.</p>