Because according to the relevant national tax laws, wedding service belongs to VAT taxable behavior. Wedding services are invoiced and pay 6% tax. Under the value-added tax system, taxpayers need to pay the corresponding value-added tax to the national financial department when selling goods and providing taxable services. In the wedding service, the service company provides customers with wedding planning, arrangement, execution and other services. These services are taxable, so 6% VAT is required for invoicing.