This article investigates the literature on the theory of trade policy in the past decades,with an emphasis on the phases of thinking on trade policy,theory of trade distortion,theory of the second best and theory of trade reciprocity.

Medium-term outlook for global fertilizer demand,supply and trade during 2006～2010(Summary Report);

Market structure of trade,international investment and plant oil processing industry;

An Empirical Study of Foreign Trade and Pollution-industry Transfer;

Environmental Eco-lables and its influences on the textiles production and trading;

On the Innovation of Trading under the Background of Online Revolution;

Illegal harvesting and trading in the field of forestry is a great concern by international society.

Harmonization of International Trade and Environment Protection from Legal Angle;

Although there are many other international organizations that play important role in coordinating the relationship between environment and international trade, it is no doubt that what WTO has done is quite more effective.

In order to harmonize trade and environment issue, one must understand well the relationship among international trade, economic growth and environmental protection.