The article attempted to provide a preliminary draft of spatial functional planning for the mainstream region of Weihe River basin.Firstly,the study made a comprehensive view of the region from three aspects of social economy,resources and environment,including population,GDP,traffic,land use,water resource,environmental capacity,ecological fragility,natural disaster and ecological significance.Secondly,with county-level GIS data and the method of factor analysis,it evaluated both status quo and prospect of each unit′s development.And then,the study worked out a draft planning of integrated function zoning for the study region.Finally,according to the different types of development in Weihe River basin,some measures and policies are put forward for regional development from infrastructure,public product,ecological environment protection,etc.The draft is very conducive for the space governance in the mainstream region of Weihe River basin.