Abstract: Grid technology is a concise and expeditious solution to the massive data management and information sharing based on Network environment. Geographical information grid is the use of grid technology in geospatial technology field. As the basement of agricultural information grid, it's the efficient way to realize agricultural information service and information sharing. The extensive application of geographical information grid in Digital agriculture will bring about profound influence in agricultural information system's programming and function and management, enhance the sharing and application efficiency of agricultural information and improve the development of Digital agriculture.