Based On The Theory Of City Catalyst Research Of Existing Residential Environment Update

City updated both the residential environmental problems become the matterconcerns the development of Chinese urbanization, the urban space environment ofaging, the urban construction land gradually reduce the drawbacks as well as thelimitations of traditional update model update existing residential environment increasesthe difficulties for the city, at the same time, it provides an opportunity for the update.And the continuous development of economy, make people more and more high to therequirement of the current living environment, reasonable, s uitable for both theresidential environmental update construction for health living environment as a newappeal. In the process of environment update, update the appearance of sex, blindness,and the problem of limitation makes the city gradually lost its vitality, this is a timelyintroducing the theory of urban catalyst is a new means of urban renewal. Urbanrenewal catalyst for its own control and instructive, able to both the residentialenvironmental updates of the city has the catalytic effect of comprehensive, and updatethe catalyst system, establish a reasonable final update for the city construction and theestablishment of a suitable living environment to provide the new update ideas andmethods to guide.Firstly, this article elaborates the research background, purpose, meaning, methodand framework of the paper; The second chapter describes the existing urbansettlements’ related concepts, development method and new demands generated duringupdating; The third chapter introduces catalyst theory, and describes the form and effectof the catalyst theory; The fourth chapter based on urban environmental problemsexisting settlements, establishes a reasonable catalyst system and supporting implementmeans; The fifth chapter expounds update catalyst system in different types ofresidential updating environment and comes up with the results, corresponding to theperfect way and method; The sixth chapter of the thesis is the summary and outlook.