Research On The Renewal Design Strategy Of Urban Existing Community Public Space Based On Vitality Promotion

China’s urban development has entered the stage of stock renewal,and the largest proportion of urban stock is the existing community.Its sustainable renewal and development is related to the healthy development of a city’s economy and the happy life of residents.In recent years,the transformation of old residential areas,which is strongly advocated by the state,is also an important part in the process of urban existing community renewal.At present,the sustainable development of urban existing communities is still in the stage of active exploration.From the perspective of organic renewal and promoting the healthy development of communities,there are still many contents to be studied.With the renovation of community physical space,the problems reflected focus on: the low utilization rate of community public space,which can not meet the needs of all age groups in the community,and there is still a lack of neighborhood interaction and public activities among community residents.These problems are manifested as the lack of vitality of community public space as well as residents lack a sense of belonging and identity to the community.This paper takes the promotion of community public space vitality as the research content,and considers the synchronous renewal of material and spiritual aspects from the macro perspective.On the one hand,research how to accurately meet the transformation needs of residents to achieve the purpose of improving the quality of space;On the other hand,how to promote residents’ interaction and enhance the vitality of public space is discussed.It provides ideas and reference for the renovation of the existing community public space in the future.In the empirical research,it is carried out from three aspects: first,the representative Xue Fu Hua Yuan community in Saihan District,Hohhot,Inner Mongolia is selected as the research object,the public space is divided into three types(point public space,linear public space,area public space)and four elements(space elements,facilities elements,social elements,emotional elements),then an in-depth research is conducted,combined with the results of questionnaire survey,in order to summarize the problems existing in public space.The second is to establish the vitality evaluation index system and use multiple linear regression analysis method to construct the influence mechanism and key elements of public space vitality satisfaction.Thirdly,based on the public space types of the research community,the paper will finally put forward an optimization design strategy of public space vitality promotion corresponding to three space types and four elements.Taking "space-behavior-vitality" as the research context,this paper provides quantitative support for the renewal design of urban existing community public space,further improves the theoretical system of urban existing community renewal,and puts the design of urban existing community public space which under the guidance of vitality promotion into the implementation level,so as to realize the double promotion of living environment quality and harmonious neighborhood relationship.