A survey system comprising an eyewear device which is worn on the head of a measurement operator and a survey instrument; characterized in that the eyewear device includes an eyewear-side communication unit, an acceleration sensor configured to detect forward, rearward, leftward, and rightward tilts of the device, an eyewear-side image pickup unit, including a camera, configured to capture an image in front of the device and to identify positions of respective pixels based on the camera coordinates system, a display which covers an eye of the measurement operator, a visual line sensor configured to detect a gaze point of the measurement operator on the display by a camera as a gaze point coordinates, and a control unit configured to display the image captured by the eyewear-side image pickup unit on the display, to make the gaze point coordinates on the display correspond to the camera coordinates, and to display the gaze point coordinates as a visual line marker on the display, and to transmit information on the tilt data detected by the acceleration sensor, the image captured by the eyewear-side image pickup unit, and the position of the visual line marker through the eyewear-side communication unit; and the surveying instrument includes a communication unit, a distance-measuring unit configured to measure a distance to a target by emitting distance-measuring light, a drive unit (13,14) configured to turn the distance-measuring unit in the horizontal direction and the vertical direction, an angle-measuring unit (11,12) configured to measure a rotation angle in the horizontal direction and a rotation angle in the vertical direction of the distance-measuring unit, an image pickup unit configured to capture an image in an emitting direction of the distance-measuring light, an image analyzing unit configured to identify an image received from the eyewear device through the communication unit in an image captured by the image pickup unit, and an arithmetic control unit configured to operate the drive unit (13, 14) according to the tilt data received from the communication unit, to identify the position of the visual line marker in the image identified by the image analyzing unit, and to recognize the position of the visual line marker as a position of the target and to measure the position of the target by the distance-measuring unit and the angle-measuring unit (11,12). the eyewear device includes an eyewear-side communication unit, an acceleration sensor configured to detect forward, rearward, leftward, and rightward tilts of the device, an eyewear-side image pickup unit, including a camera, configured to capture an image in front of the device and to identify positions of respective pixels based on the camera coordinates system, a display which covers an eye of the measurement operator, a visual line sensor configured to detect a gaze point of the measurement operator on the display by a camera as a gaze point coordinates, and a control unit configured to display the image captured by the eyewear-side image pickup unit on the display, to make the gaze point coordinates on the display correspond to the camera coordinates, and to display the gaze point coordinates as a visual line marker on the display, and to transmit information on the tilt data detected by the acceleration sensor, the image captured by the eyewear-side image pickup unit, and the position of the visual line marker through the eyewear-side communication unit; and the surveying instrument includes a communication unit, a distance-measuring unit configured to measure a distance to a target by emitting distance-measuring light, a drive unit (13,14) configured to turn the distance-measuring unit in the horizontal direction and the vertical direction, an angle-measuring unit (11,12) configured to measure a rotation angle in the horizontal direction and a rotation angle in the vertical direction of the distance-measuring unit, an image pickup unit configured to capture an image in an emitting direction of the distance-measuring light, an image analyzing unit configured to identify an image received from the eyewear device through the communication unit in an image captured by the image pickup unit, and an arithmetic control unit configured to operate the drive unit (13, 14) according to the tilt data received from the communication unit, to identify the position of the visual line marker in the image identified by the image analyzing unit, and to recognize the position of the visual line marker as a position of the target and to measure the position of the target by the distance-measuring unit and the angle-measuring unit (11,12).