地理信息共享和开放式地理信息系统研究是当今地理信息领域的两个热门课题，其研究与发展将会对整个信息科学和技术的发展起到巨大的推动作用。本文主要从技术角度对地理信息共享和开放式地理信息系统的研究内容、相互关系以及技术实现提出了一些初步的认识。

Today, Geo-information Sharing and Open Geographical Information System become more and more important in Geo-infomation research field. Their research and achievements will carry all the field to a new stage. In this paper, The authors will talk about the main research contents, the relationship and the realizing techniques of Geo-information Sharing and Open Geographical Information System from the below part st: 1. Geo-information and Geographical Information System 2. The research contents and the present situation of Geo-information Sharing. 3. The technical supports of Open Geographical Information System. 4. The future of Open Geographical Information System and Geo-information Sharing.