Chongqing is located in the joint area between the east where China's economy develops quickly and the west where there are abundant resources. it is the economic combination of the Yangtze River valley and the southwest region. So, Chongqing becomes the hinge of transportation, post and telecommunication in southwest China. The water, land and air transportation in Chongqing extend in all direction. Chongqing has formed convenient and high-efficient stereoscopic traffic network with all parts of China and even a lot of large and medium cities in the world. The province “it’s difficult to reach Sichan” has long become the past.