Fecha de publicación: 05/01/2023 Fuente: Wipo Milk or dairy products This product management device (10) has an acquisition unit (110), a screen display unit (120), and a storage processing unit (130). The acquisition unit (110) acquires target period information that can specify a first period. The first period is a period for which a plan for purchasing a product being cooked at a target store is to be set. The screen display unit (120) displays a first screen on a display. The first screen has input fields, for inputting the number of products to be purchased, for each of a plurality of types of products. The storage processing unit (130) stores the numerical values input in the input fields in association with a combination of the product corresponding to the input field and the period indicated by the target period information. In the target shop, two or more of the products are displayed on a single display shelf. Furthermore, the order in which the input fields respectively corresponding to the two or more products are arranged on the first screen is the same as the order in which the two or more products are arranged on the display shelf.