本文通过对保加利亚2005～2014年国家贸易效率、国内贸易效率、国际贸易效率以及其所包含的各个影响要素进行趋势评测，为探寻保加利亚国家未来贸易发展驱动点及影响因素提供分析依据，为进一步推进“重庆—保加利亚”乃至“中国—保加利亚”贸易的发展提供相应建议。首先，保加利亚国家贸易效率总体呈现上升趋势，其中国际贸易效率正向贡献率最高。其次，保加利亚国内贸易效率总体呈现先上升后下降趋势，其中贸易技术效率和贸易制度效率两者贡献率差别不大。最后，保加利亚国际贸易效率呈现上升趋势，其中对外开放度的正向贡献率最高。
This article reviews the trend of national trade efficiency in Bulgaria from 2005 to 2014, including the efficiency of domestic trade, international trade efficiency, as well as the various elements of the trend. The review provides the basis for the analysis of exploring the Bulgarian national future trade development driving and influencing factors, also provides suggestions for further promotion of the "Chongqing - Bulgaria" and "China - Bulgaria" trade development. Firstly, the overall trend of trade efficiency in Bulgaria showed an upward trend, in which the international trade efficiency is the highest contribution rate.Secondly,the overall efficiency of the Bulgarian domestic trade showed a trend of first increasing and then decreasing, and the difference between contribution rate of trade technical efficiency and trade system efficiency was not significant. Finally,Bulgaria international trade efficiency shows an upward trend, and the rate of opening up to the outside world is the highest.
