There are nineteen trading-ports in the border area of Yunnan Province,of which ten are the first-class trading-ports,nine are the second-class trading-ports plus eighty-nine border passageways where the transient population from abroad prefers to stay.

According to the field investigation on logistics development in Erlianhot, the paper considers that it is urgent to establish a perfect supply chain management system in the port trade to enhance logistics efficiency and to reduce logistics costs.

In modern history of China,there is close relation between Yangtze River port trade and urban modernization.

Taiwan investment in the Chinese mainland and trade across the Taiwan Straits constitute the core of development of economy and trade across the Straits.

Generally,the current situation of trade across the Taiwan Straits is characterized by the continuous expansions of trading scales,the transformation from indirect to direct trade,the increasing dependency on trade,the development of the trade structure towards plurality and complementation.