The first is to establish the concept of "on-demand" service. Provide various tax-related services for taxpayers based on their needs; The second is to establish the concept of "unlimited" service. Expand the content and scope of extended services, sort out the problems existing in tax payment services and rectify them in time to meet the needs of taxpayers to the greatest extent; The third is to establish the concept of "efficiency" service. Formulate the operating time limit of tax service, reduce the tax payment cost, and ensure taxpayers to complete tax-related matters conveniently, efficiently and quickly.