Xu Xiaodong, a Ph. D. in economics at Dongbei University of Finance and Economics, an associate professor and a master's tutor, has rich teaching experience and scientific research ability. The main research directions: international economics and Sino-US trade. Teaching courses: international business documents practice, a survey of world economy, regional development planning, etc. During recent years ,Dr.Xu published more than 30 papers In CSSCI and other core periodicals and presided or participated in a number of provincial or above research projects. In the year of 2015,her representative monographs named "Research on Sino-US trade relations and policies in the early years (1784-1894)" was published. As a aditor,she publised many teaching materials such as “international trade”,”international trade documents”, “international settlement” and “introduction of the world economy”.