A content processing apparatus managed as a content-using apparatus in apparatus information associating a content-using apparatus that supports content data with functions available in using the content data, and having a content processing unit that processes content data in response to a user's operation so that the user can utilize the content data, a used function identification unit that identifies a function used to process the content data and generates used function information indicating the identified function, and an apparatus search result display unit to display information of a content-using apparatus extracted by searching through apparatus information based on the used function information.