Scollon s study of “nexus of practice" known as “mediated discourse analysis" and “nexus analysis",this article expounds on the basic concepts,the central tasks and the focus of their study.

The most basic viewpoint at the core is the point of practice whose establishment is the key to the reform of Marxist philosophy.

But with the development and change in era, with the appearance in transformation period of the society, because people can t hold it s scientific system and practical characteristics, which makes its validity lack day by day.

This article holds that in the Chinese traditional society,the structure of practice can be understood as an open system of values,which originated from the coagulation and spreading of the material ligament and spiritual ligament of the practice subject.