Abstract: Building Information Model (BIM), a new technology and mode of expression applied in digitalized landscape architecture design, could reflect the objective and real landscape world by building digital models, and motivates the creative minds & innovative approaches of landscape architect. This article discusses the BIM technology with oblique photography, Geographic Information System (GIS), platform strategy and core technologies based on the applied case of BIM technology in landscape planning and design. It achieves the integration of the BIM+ model in the current environment, topography and design, and reflects the real situation and design purpose, providing a thinking framework and experience mode for the digitalization of landscape planning and design.