In the context of the rapid development of information technology and the digital transformation of the constructionindustry, building information modeling (BIM) has become a key technology in modern building design and construction. BIMtechnology provides strong support for the integration of monitoring information of building mechanical and electrical equipment.By integrating various monitoring data, real-time monitoring of equipment status, predictive maintenance and optimized operationcan be realized. This paper summarizes BIM technology, analyzes the importance of monitoring of building mechanical andelectrical equipment, focuses on the application of BIM in the monitoring information integration of mechanical and electricalequipment, and studies the construction of the monitoring information integration system of mechanical and electrical equipmentbased on BIM. Effectively improve the intelligent level of mechanical and electrical equipment management.