The Geodetic Reference Frame is an important national space infrastructure and a spatial reference for all human activities on the earth. This article elaborates on the development status of the International Terrestrial Reference Frame(ITRF),reviews the establishment and maintenance of the international ITRF,and raises the existing problems for the state of the art of the international ITRF. Based on the relationship and status of ITRF and the China Geodetic Coordinate System 2000,the necessity of establishing the Beidou Coordinate System in China is discussed,and the basic ideas and initial implementation of the Beidou Coordinate System is introduced. Finally,the future development of the geodetic reference frame is prospected.