An information processing device is provided with a controller which executes: obtaining predetermined service information including an advertisement; obtaining predetermined user information on biological information of a user in a vehicle in which the user rides; estimating a health condition of the user based on the user information; extracting distribution information which is information, among the service information, is judged to match the user based on the user's health condition, and which is information about a medical facility according to the health condition or/and information about a predetermined store which sells goods according to the health condition; and selecting, based on position information of the vehicle, information to be actually distributed to the user from among the distribution information thus extracted, and providing the information thus selected to the user, by transmitting the selected distribution information to an on-board device of the vehicle.