An endoscope system includes a video signal processing section configured to convert an endoscope image signal into a signal displayable on a display section, a status information notification necessity determination section configured to determine whether or not it is necessary to notify status information of a peripheral device, a visual line detection section configured to detect a visual line location of an operator in an endoscope image, an observation region setting section configured to set an observation region of the operator, a treatment instrument sensing section configured to sense a region in which a treatment instrument exists in the observation region, a status display control section configured to set a status display region in which the status information is displayed in a region within the observation region, and a status display superimposition section configured to superimpose the status information on the endoscope image in the status display region.
