A content display device includes a content setting storage means 106 for storing a content setting which associates a content selection request with a content which an external device has, a content setting server means 107 for accepting a content setting from a content setting client 108 on a network to update and manage content settings stored in the content setting storage means 106, and a display content management means 109 for reading a content setting corresponding to the content selection request from the content setting storage means 106 to present the content which the content setting client 108 has to a display means 102, or, when the content setting corresponding to the content setting request does not exist, displaying a method of accessing the content setting server means 107 and identification information for identifying the content setting client 108 on the display means 102.