[Problem] To provide a medicinal agent inspection system capable of appropriately outputting an inspection result while minimizing damage and the like to a packaging bag and a medicinal agent. [Resolution Means] A medicinal agent inspection system 10 includes an inspection device 20 which inspects a numerical quantity and/or a type of a medicinal agent contained in a packaging bag p based on an image photographed of the packaging bag p to be inspected, and a marking device 50 which records an inspection result from the inspection device on the packaging bag p. After the packaging bag p, which has a seal section S formed by pressure bonding an overlapping portion of a packaging paper, is inspected at the inspection device 20, a stamp which indicates the inspection result thereof is output by a marking device 50 onto the seal section S.
