An endoscope apparatus 10 includes: a plurality of connection portions 11 and 12 to which an endoscope can be connected, respectively； a priority setting portion 16 that sets a connection priority that is a drive priority of the plurality of connection portions 11 and 12； a drive portion 17 that supplies a drive signal to one endoscope； and a control portion 19 that controls so that the drive portion 17 supplies a drive signal to any one endoscope based on the connection priority.
