The global economy will continue to recover in 2018.The main force that sustains economic growth is private sector investment.With strong global demand，commodities prices are expected to increase，so is the level of inflation.Investment in global trade will continue to grow moderately.Accordingly，major economies will end their Q.E.monetary policy，using fiscal policy instead.International financial market might be unstable，which would bring change in global industrial competitiveness.Some unpredictable factors might take effect in 2018，including trade investment protection，geopolitical conflicts，and other noneconomic risks.We should also be cautious about Grey Rhinoor Black Swan events.