In order to study the economic development of the districts and counties in Huainan city,13 indicators were selected from the three aspects of social development level,people’s living standard and economic development potential to construct the evaluation index system of economic competitiveness of Huainan districts and counties.The shortcomings of the analysis methods are improved,and the improved entropy weight and grey correlation analysis method is used to comprehensively evaluate the economic competitiveness of the districts and counties in Huainan city. The top-down ranking of the districts and counties is Tianjia′an District,Fengtai County,Shou County,Panji District,Datong District,Xiejiaji District,Bagongshan District and Maoji Experimental District.For the districts and counties ranked low in the list,we put forward corresponding suggestions in response to the problems existing in their economic development,and put forward some suggestions for the future economic development planning of the districts and counties in Huainan city.