Prefabricated buildings (also known as prefabricated buildings) are a type of building constructed through a "factory prefabrication and on-site assembly construction" model. Their core approach involves standardizing some or all building components (such as walls, floor slabs, beams, columns, and stairs) in a factory, transporting them to the construction site, and reliably connecting them to form a complete building. This approach breaks with the traditional "on-site casting and wet construction" model. Its core characteristics are industrialization, standardization, and informatization. It is a key direction for the transformation and upgrading of the modern construction industry, and is widely used in residential, public buildings (schools, hospitals), industrial plants, and temporary structures.