With popularity of Internet technology in international trade, the demand of electronic commerce information services keeps expanding, and the platform of electronic commerce information services has become key factor in the international trade information management in China to optimize the operation mode of international trade, increase trade opportunities and improve the international competitiveness under global economy integration and information society development .In this paper, the content and characteristics of electronic commerce information service are firstly analyzed ,combined with current situation of information management in international trade and enterprises' Internet infrastructure construction in China, it is proposed to construct an single-window platform, including the national common interface of data exchange, the common data exchange service platform for import and export enterprises, banking, logistics companies and government, and industry cooperative operation platform related to domestic and international trade activities.