Abstract: Construction of crop model resources warehouse(CMRW) can help resesrchers to organize, integrate, accumulate, and manage crop model resources. CMRW consists of experiment database, framework library, algorithm library and solution database. It has model framework and modeling flow with the characteristics of multi-libraries fusion, and model resources can raise values through life-cycle changes. Based on the technology of relation database in the paper, the crop models were mapped to E-R model, in which, crop model structure was constructed by using virtual node method, and modeling knowledge was organized by the integration of knowledge page, knowledge group and algorithm unit, and properties of model components were described by using faceted classification scheme, and by integrating basal database and solution database for crop models, the relation database models of CMRW including crop model framework library, algorithm library, experiment database and solution database, were constructed. By using the database platform of Microsoft SQL Server, the CMRW for wheat was constructed, which realized the multi-libraries fusion of crop model component library, modeling knowledge library and experiment database. The results show that the CMRW can accumulate assets for integration and reuse of crop models