From the fourth quarter of 2007,the world as a whole came to a global inflation.The problem had attracted many domestic and foreign scholars concern.The essay is divided into five parts:In the first part,the author intro- duces the situation of global inflation.The second part analyzes the reasons of the global inflation from a new aspect------it is mainly the sharp surge in global liquidity that caused the global inflation.The third part gives a de- scription of policy responses across the world.In the fourth part,the author gives the relevant monetary policy suggestions for china to deal with its inflation. At last,there is a conclusion.