A system and method for distributing digital content is capable of preventing illegal use of digital content and leak of user information. A creator terminal 110 forwards content, copyright information and conditions for quotation to a content distribution server 120. A user terminal 130 forwards an application for using the content to the content distribution server 120. The content distribution server 120 embeds copyright information in the content to which the user terminal 130 has forwarded the application for using the content and the user information is embedded in the content to which the user terminal 130 has forwarded the application for using the content. The relation among a content size Sq which is permitted to be quoted according to conditions for quotation, a content size Sc in which the copyright information is embedded and a content size Su in which the user information is embedded is expressed by ScSqSu.