This article through the analysis of the industrial chain and the relationship between trade value, to verify that the industry development of high quality and high quality development of foreign trade between each other to promote the coordinated development of the relationship, research has shown that modern industrial chain might help lift the value of our trade, in which the scale of the industry chain effect, technological innovation effect and cost effect is the main way to promote trade value-added ascension; At the same time, there are enterprise heterogeneity and regional heterogeneity in the influence of industrial chain on value-added of trade: the promotion effect on value-added ratio of general trade enterprises and private trade is the largest, and the promotion effect on value-added ratio of eastern trade is the most obvious.