The system functions include multiple customized management functions such as security, fire protection, environment, energy, equipment, emergency, pipeline network, space, parking, etc. It integrates multiple specialties involved in building management to provide a more intelligent, safe, and long-term comprehensive management platform for management. It integrates intelligent, electromechanical equipment, environment, energy, personnel management and other systems and management needs from multiple perspectives, presents them on the same platform, and ultimately provides reliable equipment operation and maintenance analysis, maintenance management services, energy management, environmental quality management, information decision-making and a series of special services for intelligent management of buildings through the integration and unification of various professional subsystems and equipment in the building. It aims to improve management efficiency, process optimization, and enhance building management. The purpose of service quality.