With the development of Internet information technology in China, the construction industry has begun to abandon the tra- ditional manual drawing, calculation and design methods for the design of three-dimensional views or models of certain projects, us- ing BIM software technologies such as Revit, ArchiCAD, and VectorWorks. The construction of three-dimensional terrain scenes such as roads, bridges, and water Conservancy will be carried out to promote the digital and integrated development of large-scale engineering projects and improve the work efficiency and work quality of the design and construction of construction projects.