This article reviews the trend of national trade efficiency in Belgium 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 Belgian national future trade development driving and influencing factors, also provides the corresponding data support for further promotion of the "Chongqing - Belgium" and "China - Belgium" trade development. Firstly, Belgium trade efficiency generally showed a downward trend, in which the international trade efficiency is the highest contribution rate. Secondly, Belgium's domestic trade efficiency generally showed a slow downward trend, in which the trade technical efficiency of the highest contribution rate. Finally, Belgium International trade efficiency shows a downward trend, in which the rate of opening up to the outside world is the highest. <<