The establishment of the principle of fair compensation for land expropriation, can resolve the contradiction between the norms.

Educational equity contains three rational principles of educational resources allocation,namely equality principle,difference principle and compensation principle.

After analyzing the research progress in terms of the fundamental theory and compensation principle,the authors determines the basic elements of ecological regulation compensation,for a study case of Yinma River basin,which include compensation body,compensation objects,compensation standards and guarantee measures.

Based on the social insurance tax which is exerted in China for the purpose of improving the system of social insurance, this paper discusses the theories and authors of social insurance in a systematically way, analyses the principle of compensation and judging criterion and points out the advantages and disadvantages of social insurance in economic market construction and development of economy.

On fair compensation in rural land expropriation;

But this requisition should meet the requirements of public interests,fair compensation and correct procedures.

The legal system of market levy is such a system engendered from a society in which the main configuration mechanism of resources based mostly on market exchange,market mechanisms and private ownership of land had a dramatic impact on the land levy system which fully reflected the public interest,fair procedures,fair compensation,public right guarantee,and other characteristics.

Public expropriation is an administrative act which can deprive citizens, legal persons and other organizations of property rights on the basis of the purpose of public interests and offer the fair reimbursement according to the laws and regulations.