The new town is an important strategic space for Shanghai to promote urban cluster development and form a multi-center, multi-level, and multi-node network of urban agglomeration. The new town green ring located at the city boundary is of great significance in promoting the integration of urban and rural areas, optimizing the industrial pattern, improving the quality of urban and rural areas, and guiding the compound transformation of ecological value. Facing the current Shanghai metro green ring ecological construction of single function, space is tight, the problem such as built environment quality need to be improved, based on the summary of the current green ring, on the basis of planning and construction achievements of the theory and practice, analyzed the impact of the current new town construction of green ring “blindness, simplification, the implementation of difficult” issues such as the common factors, put forward stock of the era of development, fine regulation method of new town green ring for organic renewal. Finally, combined with the planning practice of the green ring in Qingpu New Town, based on the ecological sensitivity assessment of the current situation of the green ring in new town, and compared with the management requirements of construction land in the green ring according to the Administrative Measures of Shanghai Municipality for Construction Land, “Block 104, Block 195, Block 198” and other relevant regulations of Shanghai, with the help of comprehensive evaluation method, the potential location of all kinds of idle and inefficient land is fully explored and the scale of land use is calculated. At the same time, combined with the natural water forest network and historical and cultural characteristics of the green ring of Qingpu New Town, from the perspectives of ecological sensitivity analysis and ecological security network construction, water forest regulation and recreation function superposition, landscape improvement and infrastructure service facilities, the realization of fine regulation of green ring and green space system of the new town is discussed. To guide green ring land to give full play to its complex and diversified ecological service potential and realize the activation of green ecological space value. It is expected to provide a reference for the current green ring construction and organic renewal of the new town green ring.