Starting form the basic concepts and connotations of the property right theory including the property right,definition of property right,transaction,and transaction cost,etc.

Sometimes merely defining the property right is not enough,but must match the method and the measure of urging property rights to be exercised effectively,otherwise definition of property right cannot realize the efficiency goal automatically.

As to the vague definition of property right and the unfair compensation system in the legislation,the paper presents the policy suggestions for farmer specialized cooperative with the clearly defined individual property right mechanism and public funds property right,etc.

By analyzing the current situation of assets assessment, definition of property rights, stock rights and intermediary of accounting firms, this article has put forward the views to several financial problems of workers holding shares inside the state-owned enterprises.

This thesis reviews and analyzes the definition of property rights in the reforming of China s state-owned enterprise and the reforming of the state property management system.

It indicates that the reasons for such effects may correlate with the lack of delimitation of property rights,anisomerous information and immoral behavior.

Then,through analyzing the externality and the property definition of different knowledge,it is pointed out that as exhaustively complete property definition of the knowledge is difficult,to eliminate the externality of the knowledge is not easy.