Prefabricated buildings refer to buildings that transfer a large amount of on-site work of traditional construction methods to factories to process and manufacture building components and accessories (such as floor slabs, wall panels, stairs, balconies, etc.). ) in the factory, transport them to the construction site, and assemble and install them on site with reliable connections. [1] Prefabricated buildings mainly include prefabricated concrete structures, steel structures, modern wooden structures, etc. Standardized design, factory production, assembly construction, information management, and intelligent application are representatives of the modern industrial production model.