Abstract: A method and a server for providing a contents service are disclosed. The method of providing a content service through a service server comprises (a) storing a registration keyword and a URL address with matching the registration keyword and the URL address with pre-existing index according to hierarchical classification information in the event that a registration request of contents including the URL address of the contents, the hierarchical classification information preset for the contents and at least one registration keyword is received from a first user terminal; and (b) searching an index matched with a search keyword and providing the searched index to a second user terminal in the event that a search request of contents including the search keyword is received from the second user terminal.