Afterwards,the paper analyses two kinds of phenomena that emerge in the practice of Chinese land levy,namely,the public interests land levy and the non-public interests land levy.

Under the situation of market economy,social land-use system also include two parts,namely public interests and non-public interests.

On the premise of looking back on the course of and experiences relating to system reform for land expropriation and requisition in China,the paper argues that it is an indispensable link in the system reform to tackle the problem of the increment supply of land use for profitable purpose based upon the main trend in today s reform.

As for administrative power control, the traditional mode is weak in supervision and maintaining public benefits in the three aspects: legislative control, judicial control and administrative control, and it cannot effectively handle so complicated situations as expanding dramatically, maladjustment and public benefits loss.

The intelligent property right infringement indemnity adoption what return the responsibility principle,the matter pass intelligent property right right rights of the person and public benefits of the widespread public.

The purpose of expropriation goes beyond the extent of public benefits.

Urban planning: public interests, public participation and protection of rights——currently on revision of Urban Planning Act of the P. R. C.;

The origins of public interests and independent personality;

On the public interests in administrative law s visual region;