The present invention addresses the problem of providing a measure proposal device or the like capable of proposing a personalized
behavior modification measure for improving
quality of life (in particular, dietary habits,
physical activity, or sleep). A measure proposal device according to the present embodiment acquires actual
dietary habit data relating to the actual dietary habits of a user, acquires intervention measure data relating to an intervention measure by the user for a health matter desired by the user, acquires a diet evaluation
score relating to the quality of the current diet of the user using a
machine learning model on the basis of the acquired actual
dietary habit data, generates intervention measure data relating to an intervention measure that can be added to the intervention measure on the basis of the acquired intervention measure data and the acquired diet evaluation
score, and outputs the generated intervention measure data.