Roles are divided into internal system users and external system users. Internal: staff and service personnel, technicians and professionals, supervisors, middle managers and senior managers. External system users: customers, suppliers, partners and employees.

At present, information technology has profoundly affected its supply and consumption process, updated people's consumption concept, and greatly changed the internal structure of hotel enterprises and the workflow of hotel industry.

With the rapid development of computer technology, catering management has gradually changed from traditional manual information management to scientific computer information management. Informatization of management mode can effectively reduce operating costs, improve operating efficiency and enhance the competitiveness of enterprises. The informationization mode of catering management is a new management mode that combines the excellent ideas in traditional management mode with the rapid development of contemporary computer technology, abandons the previous cumbersome management mode, and achieves higher efficiency by rationally integrating resources.