[Problem] The purpose of the present invention is to provide a drug portion packaging device whereby high-quality printing can be applied to a portion packaging paper without a support stage or the like for the portion packaging paper being provided, while the drug portion packaging device is provided with a printing unit for jetting ink and printing. [Solution] A drug portion packaging device 10 has a drug feeding unit 20, a packaging unit 30, a portion packaging paper conveyance unit 40, and a printing unit 60. The printing unit 60 has an ink ejection unit 62 configured so as to be capable of ejecting ink downward. A conveyance path T of the portion packaging paper conveyance unit 40 has an intersecting-direction conveyance unit T1 for conveying portion packaging paper S in a direction intersecting with the ejection direction of the ink, and a first conveyance direction switching unit 46 and second conveyance direction switching unit 48 for changing the conveyance direction of the portion packaging paper S on an upstream side and a downstream side, with respect to the intersecting-direction conveyance unit T1, in the conveyance direction of the portion packaging paper S. The ink ejection unit 62 is arranged in a position separated a predetermined distance upward from the intersecting-direction conveyance unit T1.[Problème] L'objectif de la présente invention est de fournir un dispositif d'emballage de portion de médicament de sorte qu'une impression de haute qualité puisse être appliquée sur un papier d'emballage de portion sans qu'un étage de support ou similaire pour le papier d'emballage de portion soit fourni, tandis que le dispositif d'emballage de portion de médicament est pourvu d'une unité d'impression pour jet d'encre et impression. [Solution] La présente invention concerne un dispositif d'emballage de portion de médicament 10 qui comporte une unité d'alimentation de médicament 20, une unité d'emballage 30, une unité de transport de papier d'emballage de
