The United States implements a typical decentralized fiscal and taxation system. Specifically, the United States has formulated a three-level management system of federal finance, state finance, and local finance and taxation according to national conditions. Regarding the division of government functions and expenditures, matters that have a major bearing on the country's economic and social development are concentrated in the federal government, while regional and local issues are mainly undertaken by state and local governments. Such a fiscal and taxation system can not only effectively allocate public resources, but also improve the work efficiency of the government..