The strategy of strengthening Hangzhou Metropolitan Circle is an important component of the regional integrated development of the Yangtze River Delta. Hangzhou Metropolitan Circle is the leading development area of the five major Metropolitan Circles of the Yangtze River Delta. Promoting the strategy of strengthening Hangzhou Metropolitan Circle has played an important role in providing a demonstration for the integrated development of the Yangtze River Delta region，enhancing the overall comprehensive strength of the Yangtze River Delta region，and improving the energy level and level of the Yangtze River Delta in the world economic structure. The report researches and analyzes the integrated process of Hangzhou Metropolitan Circle from an economic advancement area，a life-happiness area，a smart metropolis area，and a green ecological area to a comprehensive collaborative innovation and comprehensive cooperation area，analyzes the feasibility and necessity of implementing the strategy of strengthening Hangzhou Metropolitan Circle，predicts the development trend of the strategy of strengthening Hangzhou Metropolitan Circle，and draws up a new blueprint for the realization of comprehensive integration in the Hangzhou Metropolitan Circle.