Abstract：The corporation of multi-main bodies of the governments,enterprises, non-profit-organizalions,residents and so on is the certain way that the supply of community public products must pass through. The role of multi-main bodies is not clear, and the dislocation of the functions have become the bottleneck of community supply of public product. In order to straighten the relations of the main bodies, the theories of separation, connection, cooperative production among the consumers ,suppliers ,producers can provide analytical tools. Based on the dominant position among the main bodies, the mechanism innovation of the government lays the foundation for building the relation of corporation among the main bodies.
