A banknote processing apparatus comprising: a depositing unit configured to deposit a banknote being an unfit banknote or an old version banknote into the banknote processing apparatus; an imaging unit configured to capture an image of the unfit banknote deposited from the depositing unit; a memory unit configured to store therein the image data; a banknote state receiving unit configured to receive information on a state of the unfit banknote, wherein the state of the unfit banknote includes a repair-necessary state in which repair of the unfit banknote is required and a repair-unnecessary state in which repair of the unfit banknote is not required; and a plurality of storage units (40, 42) for storing unfit banknotes and old banknotes, the storage units (40, 42) including a stacker type storage unit and a tape winding type storage unit, wherein if the imaging unit detects that the unfit banknote is sandwiched and held in a pair of sheets (902 and 904) constituting a transport support sheet, based on the captured image of the unfit banknote, information describing that the unfit banknote is in the repair-necessary state is received by the banknote state receiving unit, and if the state of the unfit banknote is the repair-necessary state, the unfit banknote is stored in the stacker type storage unit, if no transport support sheet holds the banknote deposited from the depositing unit, the repair-unnecessary state indicating that the deposited banknote does not need repair is received by the banknote state receiving unit, and if the state of the unfit banknote is the repair-unnecessary state, the unfit banknote is stored in the tape winding type storage unit. a depositing unit configured to deposit a banknote being an unfit banknote or an old version banknote into the banknote processing apparatus; an imaging unit configured to capture an image of the unfit banknote deposited from the depositing unit; a memory unit configured to store therein the image data; a banknote state receiving unit configured to receive information on a state of the unfit banknote, wherein the state of the unfit banknote includes a repair-necessary state in which repair of the unfit banknote is required and a repair-unnecessary state in which repair of the unfit banknote is not required; and a plurality of storage units (40, 42) for storing unfit banknotes and old banknotes, the storage units (40, 42) including a stacker type storage unit and a tape winding type storage unit, wherein if the imaging unit detects that the unfit banknote is sandwiched and held in a pair of sheets (902 and 904) constituting a transport support sheet, based on the captured image of the unfit banknote, information describing that the unfit banknote is in the repair-necessary state is received by the banknote state receiving unit, and if the state of the unfit banknote is the repair-necessary state, the unfit banknote is stored in the stacker type storage unit, if no transport support sheet holds the banknote deposited from the depositing unit, the repair-unnecessary state indicating that the deposited banknote does not need repair is received by the banknote state receiving unit, and if the state of the unfit banknote is the repair-unnecessary state, the unfit banknote is stored in the tape winding type storage unit.