National Tax Information Center is a public institution established under the condition of promoting information construction. Judging from the current work situation, its functions mainly include: providing information services to the internal departments of national tax, mainly providing technical support; Provide tax payment services and technical support for general taxpayers of value-added tax in terms of golden tax engineering technology; Maintain the smoothness of local area network and ensure the internal information security; Develop all kinds of practical software suitable for tax collection and management; Manage and maintain the electronic information equipment of the unit and department.