A medicine tray storage member (100) capable of storing medicine trays (7) in a stacked condition includes: a tray support member (101) for supporting the medicine trays (7); a tray transport member (102) having a transport mechanism for transporting the medicine trays (7), the tray transport member constituting a part of the tray transport line (3); and a control portion for allowing the tray support member (101) to move down to put the stacked medicine trays (7) on the tray transport member (102), thereby allowing the tray support member (101) to support and move up the next medicine tray (7) positioned above the lowermost one, and allowing the tray transport member (102) to supply the medicine tray (7) situated at the lowermost position to the tray transport line (3). The tray transport member (102) includes cut out portions (11) receiving movable leg portions (125) of a carrier (123) on which the medicine trays (7) in a stacked state are loaded.