Based on the technique of Geographic Information System (GIS), red soil resources (RSR) of Zhejiang province were classified to 84 types by computer - aided overlay analysis and qualitatively evaluated by combination with mathematic models. The agricultural regionalism system and method were advanced and the division was carried out on the basis of classification and evaluation. Six regions and twenty subregions were divided. The characteristics of and strategies for agricultuval use for each region were discussed.