Abstract: Through the review of the evolution about the international oil price in 2016 and the Brent and WTI spreads,the paper analyzes the supply and demand situation of the global oil market and finds that the supply and demand situation has improved in 2016. Combined with the change of non fundamental factors and expectations for the economic development of the economies in 2017,we can forecast the international oil price in 2017:considering all kinds of factors,the spreads of Brent and WTI will reduce; international crude oil price will volatility and show a slight rise trend; Brent,WTI crude oil are expected to average price of 60 and 62/barrel and the price range from 55 to 65 U.S. dollars/barrel.