Abstract: In this paper the author states the main features and necessity of the comprehensive agricultural regionalization, intoduces a scheme of regionalization of the whole of China, and discusses some topics for further investigation.As the comprehensive agricultural reginalization represents the regional similarities and differences of the conditions, peculiarities, potentials, orientations and measures of the development of agricultral production, it plays an indispensable role as a basic scientific means in the agricultural planning and guidance in line with local conditions. The author has worked out a scheme of comprehensive agricultural regionalization of China, which was adopted in 1980 by the Nationwide Committee of Agricultural Regionalization. under the State Agricultural Commission.This paper briefly presents its criteria of demarcation, working processes and system of regionalization.Taking the orientatoin of production and development measures as the key criteria, the author demarcated the country into 10 main agricultural regions and 38 subregions.In order to provide the study of regionalization with more validity and completeness, the author suggests the following topics to be adopted for further study, such as problems on the adjustment of distribution of agricultural production, on the selection and building of commercial production bases of agriculture, the adjustment of the orientation of production in areas destroyed seriously in ecological balance, the rationalizaton of agricultural structures in various regions, field investigations of some important agro-geographical limits, possible patterns and steps to be taken to realize the areali specialization of agriculture in China, etc.