With the development of the integration of the Yangtze River Delta into a national strategy，the strategic position of the Yangtze River Delta urban agglomeration has become more prominent in the overall situation of national modernization construction and the all-round opening up pattern. Jiaxing takes the “Shanghai-Hangzhou Same City” strategy to participate in the integrated development of the Yangtze River Delta as the command of all work，which has very important practical significance and reference value for integration into the integrated development of the Yangtze River Delta. This report analyzes the basic situation of Jiaxing’s participation in the integrated development of the Yangtze River Delta with the “Shanghai-Hangzhou Same City” strategy，studies its existing problems and development trends，and proposes some countermeasures and suggestions to advance and improve Jiaxing’s participation in the integrated development of the Yangtze River Delta with the “Shanghai-Hangzhou Same City” strategy.