More effective encouragement for a user to make an action change related to improvement in a health condition is made.There is provided an information processing device including a control unit configured to determine, on the basis of an item to be improved which item is set on the basis of a health index calculated from collected sensor information, an improving means to improve the item to be improved and a reward that is related to an amusement and that is served in a case where the item to be improved is improved, and configured to present contents of the improving means and the reward to a user, in which the control unit determines whether or not the item to be improved is improved on the basis of a variation in the health index, and makes a controlled object perform an operation corresponding to the reward on the basis of the determination that the item to be improved is improved.
