This paper demonstrates the shift from the single public ownership to the coexistence of multi-ownership economy and even that Non-public economy has become an important component of socialist market economy，and the shift from a single Distribution according to work to distribution According to the allocation of production factors.All of this not only reflect china’s economic system reform in the process of economic restructuring，but also reflects the changes in china’s basic economic system.This maybe the maximum results and the most successful experiences that china has achieved during last 30 years of reform and opening up.