Kolida Road-Bridge-Tunnel Intelligent Total Station carries a new intelligent operation system and combines high-performance data processing unit to realize fast response of complex measurement and calculation of road-bridge-tunnel.The new and customized airborne software for professional measurement of bridges and tunnels is installed with one key in the open system and works together with measurement and calculation, which makes the difficult measurement of bridges and tunnels easier, easier and convenient and truly realizes mobile informatization measurement.