This paper analyses the relationship of the unity and opposites between public ownership and private ownership in the preliminary stage of socialism and expounds the realistic significance of correctly understanding the two kinds of ownerships from the perspectives of theory and practice and the relationship between socialism and capitalism and opposing tendency.

The author analyzes the volunteer spirit from the original reductive aspect and considers that the volunteer spirit is the coexisting carrier with "selflessness" and "personal benefit".

Analysis of Privatization of Japanese Post Service;

Review of American social security privatization;

Privatization,Corruption and SOE Restructuring;

Demonstrative analysis of ecological possession countermeasure in Muus Sandland--A case with Majiamao village in Yulin city;

The internal audit has functions as check and supervision,protection,certification private businesses.

Feasibility study on introduction of private capital for railway construction;

The public capital and the private capital have both the common ground and the essential difference.

The paper puts forward an opinion on the duality of the circling private capital for the first time by the completely dialectical locomotion way in the article,it also points out the private capital with its social status and demonstrates the private capital along with its economy s legal station of the objective reality on our basic economical systems.