The purpose of this study is to suggest a reform after detecting out issues and problems associated with the KCR 4th ed.(draft). KCR(Korean Cataloguing Rules) is representative cataloguing rules in Korea, the 4th ed.(draft) of which was prepared by Cataloguing Committee(department of KLA) in 2001. As a result of this study, a lot of problem, which are glossary, context, inconsistency of the contents, rules applied to card catalog, and others, were found out. Thus, substantial improvements were able to be suggested