In terms of tax collection and management, Xiamen Local Taxation Bureau adopts the household principle of combining territorial management with industry management, and implements the "first-level inspection" system within the urban area, forming a mechanism in which daily management (focusing on tax assessment), tax inspection (focusing on case investigation) and supervision departments (inspection supervision) cooperate and restrict each other. By 2009, the city's local tax system will collect143,500 taxpayers, including 9/kloc-0,700 enterprises and 5/kloc-0,80000 individual industrial and commercial households. In addition to the collection and management of local taxes. Xiamen Local Taxation Bureau also took the lead in collecting social security "five insurances" in the province. In 2009, the number of people participating in the basic old-age insurance in the city reached1252,800, and the number of people participating in urban and rural universal medical insurance reached 788,000. In 2009, Xiamen Local Taxation Bureau collected 24.509 billion yuan, including tax revenue1561400 million yuan (excluding two taxes on farming lease) and five social insurance premiums of 6.852 billion yuan.