Through the analysis of differentiation of social interest in contemporary China, the paper discusses one urban planning philosophy based on the public interest.

The system of integration of social interest is faced with new challenges.

An Analysis on the Societal Cost at the Situation of Imbalanced Social Interests;

The current law and the environment institutions could not control the torts, and not compensate the social interests.

The investigation of the present study begins with interests,the objective of regulations,and analyzes different coercive regulations by distinguishing national interests,social interests and public interests.

Then it differentiates the "social benefit" in general and two law systems as the basement to discuss the difference to crystallize their missions.

At present,a new pattern of social benefit has emerged,which has a great impact upon Party s ideology and thoughts and theories,the basis of classes of Party and that of the masses,the functioning of exemplary roles by Party s members,especially leaders,as well as influence over the administrative power of Party and the functions of Party s grass-roots organizations.

Marriage condition,one of the important composing parts in marriage system,stresses more on the realization of social benefit rather than sufficient protection of personal right in the marriage law of our country.

It should make clear the relation between public interest and national interest, society interest and collective interest , and the relation between public intere.

Civil right of indictment is totally granted to the parties of a dispute,which is against the demand of social reality that there should be a civil subject who represents public interest to initiate a public prosecution.

The inspection institution files lawsuit for the maintenance national interest and the social public interest and the social public interest to the special scope civil case,is the various countries general procedure.

After China enters into the WTO, the influx of foreign made goods, services and foreign business operators will surly expose the country s economic relations into the public attention, especially for those of public interests.