Chinese ancient granary culture has a long history. The characteristics of the ancient granary, such as the reasonable layout of the warehouse area, the variety of warehouse types, and the exquisite grain storage technology, have extremely high historical research value. With the rapid development of today's society, Chinese modern granary is developing rapidly, showing a modern, mechanized and intelligent development trend. Takes Yunyang Dafeng Granary in Ming Dynasty, the most well-preserved ancient official granary in Hubei Province as an example, combined with the new technology of modern granary construction, this article make a comparison between ancient and modern granaries from the aspects of location selection, overall layout, architectural style, structural form andgrain storage technology, etc.. It is of great significance for deepening the historical study of Yunyang Dafeng Granary, tracing the development history of modern grain silos and enriching the culture of granary in China.