The study of rural functional classification,which mainly deals with comprehensive rural-space division in terms of utilization of rural resources,areal division of labour,regional change of function,harmony of agricultural structure and composition of industrial sectors,forms a major reseach field of rural geography both inside and outside China.Taking 364 counties (or cities) of the Huang-Huai-Hai Region as the areal study units,the thesis analyses the variation of rural function in the region,identification of functional features as well as extraction of functional indices.On the basis of the analysis,the thesis then makes a classification of the rural functional types and approches the spatial distribution law of rural functional types,the industrial features and relevant development ways for the different functional types.