In general, BIM integrates key information such as progress, budget, resources and construction organization as the basic model. It simulates the whole process of construction with visualization and simulation technology, provides each link with core data such as resource consumption and technical requirements and a unified management platform, and realizes the "greening" of the whole life cycle of the building in design, construction and operation. It improves the resource utilization efficiency of building construction and reduces environmental pollution. Rational use of BIM technology in the operation and maintenance of green buildings, relying on the advantages of BIM technology in the operation and maintenance, will eventually become an indispensable technology under the future trend of green building operation and maintenance.