A drug delivery device (1) delivers a stored drug to a conveyance receptacle (T) adapted to be attached with a card (RC) that displays desired information. The drug delivery device (1) includes a transportation unit (P), a card supply unit (70), a card attachment unit (20), and a card preparation unit (50). The transportation unit (P) transports plural conveyance receptacles in a sequential manner. The card supply unit (70) supplies a first card (RC1) to be attached to a first conveyance receptacle (T1) that is first transported among the plural conveyance receptacles (T). The card attachment unit (20) takes out second cards (RC2) from the respective plural conveyance receptacles (T) and attach the taken out second cards to second conveyance receptacles (T2) that are transported after the first conveyance receptacle (T1) respectively. The card preparation unit (50) prepares the first card (RC1) and the second cards (RC2) so as to display patient identification information thereon. With the drug delivery device (1), it is possible to reduce the waiting time of the trays (T).
