Abstract: In order to carry out a reliable scheme for the data mining and knowledge discovery, and develop a foundation for Decision Support System (DSS) of digital agriculture, it is necessary to study the dimensional modeling of crop production nanagement information data warehouse. According to the general methods of dimensional modeling and the characteristic of the crop production management information data, a dimensional model of the crop information data warehouse was developed, including the Data Warehouse Bus Matrix, Value Chain Figure, Star-join Schema, the Dimension Table and Fact Table of the relevant business, etc.