The "digital contents" this research treats mean "file" and "folder (collections of file)" saved on the hard disk. This system manages digital contents based on position information, and provides the service with which information can be exchanged smoothly between Information Provider and Information Receiver. We have developed web application as application for Information Provider, and have developed smartphone application as application for Information Receiver. Information Provider can upload digital contents in the server using this web application. And, Information Receiver can view arranged 3D contents in present real space using this smartphone application