Waiters originally refer to people who provide services in a certain range in a fixed place, including waiters and waitresses; Now it usually refers to people who provide necessary services for guests in hotels, restaurants, KTV, shopping malls and other catering and entertainment places.

The basic duties of waiters are: greeting and greeting customers; Provide various corresponding services; Answer customers' inquiries; Solve difficulties for customers; Treat all kinds of unstable emotions of customers with the best mood and attitude; Handle customer complaints in time and give customers satisfactory answers.

Service is an economic activity that individuals or social organizations do for consumers directly or with the help of some tools, equipment, facilities and media. It is an activity and welfare provided to consumers or enterprises to meet the specific needs of the other party.

Its production may or may not be related to material products, but it is the use value or utility that adds value to individuals, goods or services in other economic units and mainly shows in the form of activities. A waiter originally refers to a person who provides services within a certain range in a fixed place.