Engineering measurement application software based on GNSS high-precision position application development, developers based on years of surveying and mapping development and market experience, combined with a large number of industry users' habits and Android operating style habits. Developed high-precision position measurement acquisition, point line lofting, road design lofting, CAD mapping, CAD lofting and other powerful functions of the engineering survey application software with simple operation. The software has the characteristics of simple operation, user-friendly operation process, powerful road design and construction lofting function, powerful CAD drawing lofting function, function menu display for users to customize design and so on