Marx\'s hypothesis on backward countries such as Russian leaping over capitalist "Crafting Gorge",which has profound logical basis,is the reality expansion of society formation leap transition thought of historical materialism.

Marxist ideology of leap transition on human social system is an important component of historical materialism and the logical basis of socialism with Chinese charateristics.

The writer deeply portrays the essence and characteristics of the new-type social form through the two classical images of art,the Chevengur-like social form and the Chevengur-kind people.

The course of human emancipation and the evolution of social forms;

By briefly introducing the classic urban design models in history, trying to find out the relationship and evolution rules of urban design under different social form from four aspects of the value rationality, space concepts, implement styles, design methods so that gain enlightenment to city design in theory and practice.

Socialization of ecology and ecologization of society have become almost a certain trend of social development, and effect transforms of social form finally.