An object of the invention is to provide an endoscope system capable of keep ready track of the position of a subject of interest by indicating the direction of the subject of interest, even when there is no display of the subject of the interest.The endoscope system 10 includes an endoscope 1 including an imaging unit 1a that is capable of taking an image of a subject of interest Pt, a display unit 6 for displaying an image taken by the imaging unit 1a, an endoscopic position sensor 5 for detecting a position of the endoscope 1 in the body cavity B, a distance measurement unit 1c for measuring a distance from a distal end of the endoscope 1 to the subject of interest Pt, a position calculation unit 71 for computing the positions of the distal end of the endoscope 1 and the subject of interest Pt on the basis of information from the endoscopic position sensor 5 and the distance measurement unit 1c, a position storage unit 72 for storing a position of the subject of interest Pt computed by the position calculation unit 71, and a direction indication unit 75 for indicating a direction in which the subject of interest is present on the display unit 6.