Journal of Data Processing Zeng Wei-zhong 5 3 2015 Resource Description & Access, the successor standard to the 2nd edition of Anglo-American Cataloguing Rules(AACR2),has been applied in bibliographic records of libraries in US, UK, Germany, Australia and Canada since March 31, 2013. Although RDA has been studied for many years all over the world, papers on the cataloguing methods of RDA seldom appear. In order for cataloguers in the world to master concrete cataloguing rules and methods of RDA quickly, the author explains the structure of RDA and its application in serial cataloguing acording to RDA Toolkit. Firstly the paper introduces the background of RDA and its structureÿthen introduces the cataloguing methods of RDA elements in serial, finally lists its MARC21 fomulate.