A cleaning/disinfecting apparatus includes: a plurality of attachment portions for attaching an endoscope a cleaning/disinfecting portion that communicates with the plurality of attachment portions and can execute different types of cleaning/disinfection menus for the respective attachment portions and an endoscope information reading portion that reads endoscope information from the endoscope. Also, the cleaning/disinfecting apparatus includes: a control portion that determines a cleaning/disinfection menu based on the read endoscope information and outputs attachment portion identifying information for identifying an attachment portion for executing the determined cleaning/disinfection menu and a notifying portion that notifies the attachment portion identifying information outputted from the control portion.