According to the basic characteristics of agricultural production and the objectiveconditions of the agricultural regionalization,this paper has mainly analysed andintroduced the purpose and necessity Of the agricultural regionalization and its system.This system is vertically divided into different grades from country level to countylevel,and horizontally divided into natural regionalization,specializational regiona-lization and complex regionalization.In addition,according to the actual conditionsof China,the paper has stated systematically the basic contents of the agriculturalregionalization and its working method.At the same time,the paper has made ascientific approach to some active problems existing in the agricultural regiona-lization,such as the relationships between agricultural regionalization and agriculturalprogramme,agricultural regionalization and administrative division,agriculturalregionalization and agricultural modernization and present agricultural productivestatus and its long range plan,etc.