The global food crisis that erupted in 2008 was much broader and deeper than any previous food crisis.Moreover, there was a close linkage between this food crisis and both oil and finance. On the one hand, the rise in oil price had increased the cost of production, transportation and processing in all links of food industry chain, thus driving up food price; furthermore, the United States had made great efforts to develop bio-energy based on oil high price, which had further exacerbated the food crisis by creating artificial food shortage. On the other hand, the United States had implemented a monetary policy of quantitative easing to solve his domestic financial crisis, and the excess flow of and the depreciation of U.S. dollar had pushed up international food price, while the speculation of financial capital has caused food price to soar. Under the combined effect of food energization and financialization, the food market was increasingly volatile, and the energy and financial attributes of food became gradually dominant.