The main business of the restaurant needs to be accounted for, such as purchasing workshop supplies such as vegetables and spices, which can be accounted for according to bills and acceptance certificates. Sales invoices can also be used as the main basis for the main business.

The business scope of the restaurant includes: catering enterprise management; Catering management consultation; Catering project planning and investment; Consultation and transfer of food processing technology; Comprehensive management of catering resources; Catering cultural exchange and catering product exhibition; Hotel supplies, kitchen equipment and supplies, washing supplies, daily necessities sales, investment management, etiquette services. The business income within these business scope is the main business income.