Compared with the online invoicing of the tax bureau, the online invoicing of the tax bureau is more serious. Online invoicing, also known as online invoicing, is a brand-new invoice management mode based on the design concept of tax management by ticket, through the functional design of online invoicing, real-time query, ticket table verification, tax management by ticket and closed-loop management. The online billing system uses modern information technology and the query mode of billing declaration to comprehensively and accurately record the taxpayer's business activities and ensure the uniqueness, authenticity and safety of invoice circulation.