Compared with the traditional paper menu, the electronic ordering system has the following advantages 10. The electronic ordering system realizes the automation of the whole process from ordering, side dishes, returning dishes, urging dishes to checkout, which not only greatly improves the efficiency of ordering and settlement, but also makes detailed statistics on important enterprise operation data such as catering consumption and operating income and generates reports. In addition, the multi-level authority management mode is adopted in the background of the system, which solves the confidentiality problem of business data, realizes the report printing function with different authorities, and fundamentally solves the problems of cost management and accounting errors and omissions in catering enterprises.