The original material structure needs to be destroyed during disassembly, resulting in material waste and cost increase, so it is difficult to move, disassembly and assembly time, in addition, its appearance and comfort are poor. For box-type building, mainly box integrated houses made of steel plate as envelope structure, are widely used in construction ground, drilling, field power distribution rooms, computer rooms, temporary rooms and so on. Its advantages are wind resistance, earthquake resistance, strong, can be factory production.