Recyclable construction materials after the removal of ordinary traditional buildings are generally steel bars, clay bricks, aluminum alloy door, window frames, wood, glass, etc. Massive construction materials such as concrete, damaged blocks and interior decoration materials are all considered solid waste. In the rapidly urbanizing area, the life of buildings is generally only thirty years, a large number of buildings need to be demolished and rebuilt, building materials cannot be reused, and the waste rate is surprisingly high. The use of container building, due to its inherent properties, has greatly improved reuse rate. First of all, the container itself is a separate structure that is easy to transport. It can avoid the internal decoration being demolished because of the need to dismantle the main structure, and the independent and complete structure can be reused. Secondly, container buildings are made of steel frames. There are a large number of recycling agencies to recycle scrap metal. This ensures that these construction materials are not discarded as trash.