“Glossary of Terms Relating to Superconductors” is enacted as JIS-H7005-1991. The content and the history till the establishment are commented. Two hundred and forty-nine terms relating to the field of superconductivity are classified into nine class and their meanings and definition are given in this JIS. The background of JIS and new movement of international standardization are explained. This JIS was translated into English and is now used as a base material for international standardization.