The renovation project of Lanzhou Hongjia International Plaza Smart Site Project is located in Chengguan District, Lanzhou City, Gansu Province, with Maijishan Road in the north and Minzhu Road in the south. It is a key construction project in Gansu Province. The construction land area is 27772.40㎡, and the total construction area is 212892.94㎡. The main risks of the project lie in the construction of ultra-deep foundation pits, the large safety hazards of various special equipment, and the difficult management of personnel mobility. The project department adopts a combination of traditional construction management methods and a new generation of information technology. Through the smart construction site cloud platform, the key points such as deep foundation pit, tower crane (construction surface), climbing frame, elevator, unloading platform, construction surface and personnel entering and leaving the site are monitored. Real-time collection, monitoring and early warning of link information, and gradually build a "smart construction site" management system that is linked with all participating parties and construction systems. Combining the traditional craftsman spirit with information technology, realize intelligent supervision and intelligent construction, and build high-quality projects in Lanzhou.