Spatial dif erentiation of national space functional types has a certain scale dependence,analysing functional pattern of ecological-production-living spaces at different scales is beneficial to more exactly reveal the spatial distribution law of ecological-production-living spaces,which can be used as the basis for the optimization and adjustment of national space functional structure.From the view of the prefecture-level city and county, this paper analyzes the spatial distribution law of ecological-production-living spaces of Jianghuai Urban Agglomeration,Using the methods of quantitative geography model and GIS technology.The results shows that:(1)the information at different levels of details can be obtained by multi-scale analysis of the spatial distribution of national space functional structure.On urban scale,the spatial distribution patterns of ecological-production-living spaces ofJianghuai Urban Agglomeration can be derived. at the county scale,the spatial distribution patterns of ecological-production-living spaces of Jianghuai Urban Agglomeration of some cities can be displayed.In the study area,function classification system of ecological-production-living spaces of Jianghuai Urban Agglomeration at the county level can reflect differential function types of different land use classes.(2)the identified result of functional types for Jecological-production-living spaces of Jianghuai Urban Agglomeration at the county level is matched with the dominant functions of priority zone planning and urban system planning in Anhui Province,Meanwhile,The research shows that it is feasible to use the multidimensional measurement model to identify the function of land and space.%国土空间功能类型的空间分异具有一定的尺度依赖性，从不同尺度上对“三生”空间功能格局进行分析，揭示国土空间功能类型的分异规律，可作为国土空间功能结构优化调整的基础性依据。本文以江淮城市群为研究区，运用多维计量模型和GIS空间分析方法，探究城市群“三生”空间功能结构的空间分异特征。结果表明：①对“三生”空间功能结构进行多尺度分析，可以得到从市域尺度到县域尺度不同详细程度的信息。从市域尺度看，可以发现江淮城市群“三生”空间功能结构的整体特征；从县域尺度分析，可以得出江淮城市群市域内部“三生”空间功能结构的分布特征；②江淮城市群县域“三生”空间功能分布与安徽省主体功能区划、城镇体系规划等区划中功能定位相吻合，表明借助多维计量模型进行国土空间功能识别方法具有可行性。
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