To provide a menu support system allowing a customer him/herself to select a small plate menu presented by a recording medium having the first data structure concerning nutritional calculation prepared by instruction by a doctor, a national registered dietitian, etc., based on data characteristic to each customer recorded thereon and boxing the foods of the menu.

A recording medium having the first data structure concerning nutritional calculation prepared by instruction by the doctor, the national registered dietitian, etc., recorded thereon and a recording medium having the second customer data structure are connected to the terminal of a computer processor. Based on the recording medium having the first data structure recorded thereon, many kinds of small plate menus with calories, saltiness, sugar contents, protein, fat, etc., displayed based on the recording medium with the first data structure recorded thereon are displayed at a store. Customer data is inputted to an input device connected to the computer processor and presentation is outputted. With an instruction by presentation, the customer selects the small plate menus at anytime and purchases and boxes the foods of the menu.