Chinese region is broad, in order not to make living space is limited, the role of transport is crucial, and the bridge is very important elements in the traffic system. Different from other genres of ancient architecture, bridge has a wider range of sociality, is a kind of public building built according to the production and life of human being's requirements, the ancient bridge technology in China for a long time to maintain the leading level. This paper emphatically analyzes from the cultural significan...