List generation method, device and system

The invention discloses a list generation method, device and system, and the method is suitable for generating a shopping list, and comprises at least one recommendation stage; the recommendation stage comprises at least one recommended question and answer process, and the recommended question and answer process corresponds to a preset recommendation factor; the recommended question-answering process comprises the steps of obtaining background data corresponding to a recommendation factor, wherein the background data comprises at least one dish; generating a guidance problem according to the background data; when a guidance question answer input by the user is obtained, obtaining recommended dishes based on the guidance question answer in combination with the background data; and accordingto the recipe database and the recommended dishes, obtaining recipes of the recommended dishes to generate a shopping list. Big data and a home interconnection technology are utilized to assist a user in making a purchase de