If at least the front surface layer and back surface layer of a plastic card formed from a plurality of layers are formed as antibacterial layers including (e. g.) coating layers, printed layers or sheets containing a powdered antibacterial agent, and this configuration is applied to hospital examination cards or various other types of cards that are handled by large numbers of persons, the spread of infections, etc., via said cards can be prevented even if said cards are not subjected to a disinfection treatment.