Abstract: A dietary intake information acquisition method includes: inferring a dish or an ingredient to be consumed by a user on the basis of a captured image and creating dietary intake information; creating a question asking what a target dish or a target ingredient is; detecting an action of the user related to the target dish or the target ingredient on the basis of the captured image; determining a question timing from a period in which the action of the user related to the target dish or the target ingredient is detected; outputting question voice output information for outputting the question by voice at the question timing; acquiring an uttered speech of the user in response to the question; performing speech recognition; and reflecting, in the dietary intake information, information regarding the dish or the ingredient which has been obtained from the user answering the question.