To provide content group distribution method and system that allow a content group distribution that improves a convenience of an action to consume a content group widely and shallowly by a user, and further, improves an efficiency as well. A fragment DB 12 has attribute information indicative of what sort of purpose information of a fragment meets. A profile information DB 21 has degree-of-demand information indicative of what sort of attribute information a content demanded by a consumer has. A fragment generating unit 70 configures each content surely from “a plurality of fragments and one main body.” A content generating unit 51 generates a content fragment group while calculating a priority using the fragment DB 12 and the profile information DB 21. A user interface generating unit 50 generates a user interface for choosing an additional consumption of the fragment group for the fragment group.