Public culture and arts in U.S. are truly for the public. The folk and public dominant management mode emphasizes the diversification，marketization and socialization of public cultural services. The U.S. arts system has no single benefactor，no overarching arbiter or agency，no Ministry of Culture. Direct public support from government is not used to impose arts policy. Many multi-level intermediaries are established to support artists and art institutions to advance art research，education and other social activities and to create an equal and orderly cultural development environment. In the long cultural practice，three types of financial support for the arts have developed，including direct public funds awarded by state，regional，and local governments，funding from federal departments and agencies other than the NEA，private sector contributions and tax incentives.