the second couplet and the third couplet. Ordering menu is also called taking menu or producing list, and the second and third copies of the invoice are stamped. Ordering menu is a written document opened by the restaurant waiter to pick up dishes, drinks and other foods from the kitchen and bar according to the contents and requirements of the guests. It is also an important basis for the cashier of catering enterprises to issue invoices and collect catering accounts, and it is the first document needed in the process of catering income.