"Intelligent Building" is a collaborative mobile platform for property informationization of smart parks/buildings. It provides various product functions (sign-in and log-out, report and repair, comprehensive inspection, equipment management, equipment maintenance, quality inspection, work order management, Security inspections, mobile meter reading, property announcements, etc.) in order to fully cover all types of property management business and daily work. As a unified management platform for all types of property staff, users can complete daily work in real time through the mobile terminal, which will help improve the efficiency of property services and improve owner satisfaction.