In this paper, we discussed the metadata standard in our country and the world. Consequently the structure and application of some metadata standard in library information area, for example, MARC, CCFC, Dublin Core, were introduced.

• 本文通过对目前国内、外元数据标准的研究，介绍了图书情报界的几种元数据标准的结构和应用情况，如MARC、CCFC、Dublin Core。