This study conducted comparative analysis of cataloging descriptions and rules in KCR 4 and CCR 2, as follows, for the purpose of seeking understanding of classical materials cataloging rules and networking of oriental historical data cataloging (bibliographical descriptions). First, to compare the general rules, the objects of descriptions and composition of descriptions, recording order, and punctuation and information source of descriptions were analyzed. As a result, KCR 4 is more detailed in terms of author role identifications and information source regulations and CCR2 is more detailed in terms of regulations related to printing and publications and serial publications. Second, to compare the details, the main titles and liability indications, edition details, publication details and format details, and note details. As a result, regarding the description of edition type and publication details, KCR4 has detailed regulations and CCR2 has characteristic summary in terms of note details.