本文以长三角区域三省一市的制造业高质量发展为研究对象，通过对创新、协调、绿色、开放和共享等五个维度下若干指标的度量，分析长三角区域制造业高质量发展的现状与趋势，试图鉴别其可能存在的问题，并提出政策建议：长三角区域制造业高质量发展的局面正在形成，但是随着10年间长三角一体化空间的扩大，各省市间制造业发展不平衡、不协调等问题也更为突出，解决这些问题需要从基础设施、产业结构、分工布局及政府与市场关系等方面着手进行改革。
Taking the high-quality development of manufacturing industry in three provinces and one city in the Yangtze River Delta region as the research object，this paper tries to analyze the present situation and trend of high-quality development of manufacturing industry in the Yangtze River Delta region by measuring some indexes under five dimensions：innovation，coordination，green，openness and sharing，and tries to identify the possible problems and put forward policy suggestions：the situation of high-quality development of manufacturing industry in the Yangtze River Delta region is forming，but with the expansion of the integration space of the Yangtze River Delta region in 10 years，the problems of unbalanced and uncoordinated development of manufacturing industry between provinces and cities have become more prominent，To solve these problems，we need to reform the infrastructure，industrial structure，division of labor and the relationship between government and market.
| Keywords： | InnovationRegional Integration of the Yangtze River DeltaHigh-quality Development of Manufactures |
