By means of the structure modeling technique, the affection factors of trade development in “growth triangle” are researched in order to provide scientific basis for formulating policies and measures of trade development in“growth triangle”.

Basing on the trade development theory of "Growth Triangle", this paper researchs a conflict and a pattern of the short term trade development stage of Tumen River Economic Zone through conflict analysis technique, which laies a theoritical foundation and furnishes a technical guarantee to decide the overall pattern and strategy for the trade development in Tumen River Economic Zone.

The paper summarized the main features of Sino-US trade development.