This study investigated relocations and expansions of DDC for the Korean university libraries using DDC to develop the standard relocations and expansions suitable for Korean situations. Contents of the standard relocations and expansions of DDC suggested by this study are as followed : Table2, Table5 and Table6. Also included are the Generalities class, Oriental philosophies from the Philosophy class, Buddhism and the oriental-origin religions from the Religion class, Public administration for the Social sciences class, the Language class, the Literature class, and the General geography and history class. The major characteristics of this study is that the standard relocations and expansions of DDC is followed by the options in DDC although it is followed by the basic systems in case that the options are not allowed.