货币一直都是历史中各经济学派必涉及的内容。本文将针对凯恩斯与古典及新古典经济学对货币的认识,从观点、基本假定、政策含义等方面对比二者的不同,进一步了解货币理论和政策在二者中的意义。 Money has always been the subject of every school of economics in history. This article will focus on the Keynesian and classical and neoclassical economics understanding of the currency, from the point of view, the basic assumptions, the meaning of the policy contrast between the two different, to understand more about monetary theory and policy in the two meanings.