The Yangtze River Economic Belt is the main battlefield for the national ecological priority and green development policy，and the coordinated promotion of ecological environmental protection and economic development is the main theme of regional development. This report evaluates the green development level of 126 cities（prefectures）in the Yangtze River Economic Belt from the three aspects of green ecology，green production and green life by constructing the index system of green development of the Yangtze River Economic Belt. The progress of green development of three urban agglomerations and the top 20 leading cities in the comprehensive index was classified and introduced.