Abstract: A delivery box system for delivering an article is providing, including a navigation device for sending and receiving reservation reguests and information, payment information, navigation execution ID information and position information of a particular related delivery box from a central computer of a central management center. The navigation device automatically calculates navigation information based on the navigation execution ID information, as well as guides the deliveryman from the present position thereof to the particular related delivery box based on the position information of the related delivery box received from the central computer.