3D printing BIM (Building Information Model) presents every detail of the building, which can be directly used as a construction reference, saving the tedious review and verification process, and further improving the efficiency of building construction. Through the integration of building data and information model, sharing and transmission in the whole life cycle of project planning, operation and maintenance, so that engineering and technical personnel can make a correct understanding and efficient response to various building information, and help the design team and All construction entities, including construction and operating units, provide the basis for collaborative work and play an important role in improving production efficiency, saving costs and shortening construction period.