A surveying instrument includes a main body and a terminal portion located away from the main body. The main body includes a measuring unit 20 capable of operating in a tracking mode in which a target 11 for searching a set out point S to be set out at a point of land is tracked and a measuring mode in which the position of the target 11 is measured, a first communication unit 15 for transmitting data concerning a target position measured by the measuring unit to the terminal portion, a mode judging unit 47 for judging that the measuring unit is operating in the tracking or measuring mode, and a result informing unit 54 for informing a result obtained by the mode judging unit 47 toward the side of the target. The terminal portion includes a second communication unit 13B for receiving data transmitted from the first communication unit, a memory unit 57 for storing position data concerning the set out point, a calculating unit 55 for calculating a difference between the positions of the set out point and the target on the basis of the data concerning the set out point stored in the memory unit 57 and the data transmitted from the main body, and a display unit 58 for displaying the difference.