摘要 : Although China has a long history of cartography and map collections, the condition of China's map collections and accessibility to geographic and digital data is still unknown to world counterparts. This paper discusses the paper... 展开 Although China has a long history of cartography and map collections, the condition of China's map collections and accessibility to geographic and digital data is still unknown to world counterparts. This paper discusses the paper and digital map collections situation in China from the perspective of multiple collections and from sharing services. Paper map collections are introduced through a survey and analysis of the National Library of China, Peking University Library, and Beijing Normal University Library. Dynamic map service Web sites and the related Web infrastructure are introduced as being representative of digital map collections in China. The Data Sharing Platform of Earth System Science (DSPESS) of the National Science and Technology Infrastructure of China, which has operated for more than ten years, is used as a case study to analyze digital map data sets sharing and services. Digital map data collection characteristics, the data sharing policy, user distribution, and the stewardship staff of DSPESS are analyzed. We also present challenges and potential demands facing China's map data collection and sharing services from the perspectives of a sharing mechanism, financial support, technical challenges, and allocation of professional staff resources. 收起