It is because according to the relevant state tax law, wedding services are VAT taxable behavior. Wedding service invoicing to pay 6% tax, under the value-added tax system, taxpayers need to pay the corresponding value-added tax to the state finance department when selling goods and providing taxable services. In the wedding service, the service enterprise to provide customers with wedding planning, layout, implementation and other services, these services are taxable labor, so invoicing need to pay 6% of the value-added tax.