The present invention provides a surveying system, which comprises a surveying device 1 provided with a function for tracking a target 13, and a remote control device 16 for remotely controlling the surveying device on a target side, said surveying device comprises a measuring unit 21, an image pickup unit 23, a first radio unit 33, and a first control arithmetic unit 29, said remote control device comprises a second radio unit 37, a second control arithmetic unit 35, a second display unit 18 and a second operation input unit 20, said first control arithmetic unit transmits measurement data of the measuring unit to the remote control device via the first radio unit when a detection result is within the tracking range based on the detection result of a reflection light from the target, and transmits an image data taken by the image pickup unit via the first radio unit when the detection result is out of the tracking range, said second control arithmetic unit receives the measurement data and the image data via the second radio unit, and the measurement data or the image data are displayed on the second display unit.