PROBLEM TO BE SOLVED: To properly and easily perform the setting of an endoscope to the inside of a cleaning tank correspondingly to the individual endoscope.SOLUTION: This endoscope cleaning/disinfecting device displays a set position to the inside of the cleaning tank 5 of the endoscope and setting order by an indicator 10 installed to the bottom face 5a of the cleaning tank 5 based on endoscope information read from the endoscope through an RFID transmission/reception part. A worker stores the endoscope inside the cleaning tank 5 while confirming the arrangement information of the endoscope indicated by the indicator 10 to easily set the endoscope in a proper position.