关键词: 对外贸易;比较优势;策略建议 Abstract Theory parative advantage gets the universal solicitude of academic circle from its producing day,and it is regarded as the foundation of international trading theory. But the application of this theory is not plain sailing. For China such a developing country parative advantage is fairly obvious, how to make good use of parative advantages became the focus of academic research. The first part analyzes the connotation and the development of the theory parative advantage, and particularly narrates some essential factors which influence parative advantage. In accordance parative advantage of the connotation of development, this theory may be divided into 3 stages: the theory parative costs, theory of factor endowments and the contemporary theory parative advantage. The second part discusses on the contemporary Chinese foreign trade in the applicability of the status applicability. Finally discusses the reference of theory parative advantage of China's foreign trade. Based on China's exports to the three dominant trend map changes parative advantage, we analyzed parative advantage of China's foreign trade in the changes and how to use parative advantages to make some mendations in order to enhance the quality of China'parative advantages. China attaches importance to developing foreign trade parative advantages, to speed up the process of reform of China's foreign trade enterprises and transnational business strategy of eventually promote the development of China's foreign trade. Key words: Foreign trade; Theory parative advantage; Strategy of foreign trade