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. <<