Abstract: While imagining the form of the future society,Marx and Engles,on the basis of the theory of utopian socialism,critically accepted those ideas that advocate harmonious society,therefore,they created their own views of harmonious society.Marx and Engles pointed that the harmonious society is the inevitable trend of the history of human being and the "union of freeman" is his tiptop condition.In order to build a harmonious society,we should develop our productive force.