The overall economic growth of all EU member states in 2017，which was the first time in the past ten years，continued in 2018，However a slow-down was recorded，and became more apparent at the second half of 2018. The growth of trade volume of EU28 also slowed down，which finally turned from surplus to deficit. The Index of the European Economic Sentiment had been rising since 2013. It peaked in January 2018，and has been going downward since then. Arguably，the American unilateralism contributes most to the uncertainty of European economic growth. In order to stabilize the economy，the ECB postponed the quit from the QE. The Third bail-out program to Greece conduded，and also ended the eight-year long European Sovereign Debt Crisis. The year of 2018 marks the ten-year milestone of financial crisis，and the European countries defacto lost a decade in economy.