A content distribution management system includes a plurality of content distributing devices, which each include a content storage processing unit operable to store and distribute a content, a user interface unit operable to provide viewing and information of a content for a user, a content acquisition processing unit operable to acquire a content from a content providing device, etc. and to perform purchase processing of the content, and a sending/receiving unit operable to exchange data via a communication network. The content distribution management system also includes a content distribution management device, which includes a payment management processing unit operable to perform payment processing of a content, and a copyright management processing unit operable to manage and send copyright-related information (a usage rule, key information, etc.). The content distributing devices and the content distribution management system are configured via the communication network, etc.