The structure It adopts H type steel, C type steel and Z type steel to combine or build the framework while employing the compressed color corrugated steel sheet or color steel sandwich panels for its walls and roof. Now the steel structure building has basically substituted traditional reinforced concrete one in developed countries. It possesses many excellent characteristics such as large span, few materials, low cost, no base, short building cycle, reliability and safety, beautiful appearance etc. It is widely used in buildings like monolayer workshop, storage house, commercial architecture, office block, multi-layered park and residential house etc.