An analysis of grey conjunction applies in regional economic analysis,compares Guyuan city and the other cities economic norms of autonomous region,and establishes analysis index system with the gross domestic product of average per capita for systematic feature index,we has carried out grey conjunction analysis for Guyuan city economic norms,which is used in the conclusion that reached to analyze the region economic atmosphere of Guyuan city,and pursues the reason of backward economy in Guyuan city,in order to put forward corresponding strategy for the development of Guyuan city.