Research on Micro-renovation Design of Historical Blocks Based on Art Aesthetic Psychology:Taking Chengdu Dongmen Market as an example

"Appreciate the beauty of each other and share the beauty of all" is the purpose and spirit. The update design of historical blocks, as a part of public environment landscape, attaches importance to its own historical value and aesthetic education value to the contemporary public aesthetics. Historical blocks are the symbols of city history and culture, and also the main content of sustainable development of urban landscape in the new era. They reflect the development trajectory of a city in different historical periods and condense the historical memory of several generations of a city. The renovation of historical blocks should not only focus on spatial form, but also pay attention to socio-economic and cultural factors. Urban micro-update can be regarded as a way to improve and enhance the quality of human life. The focus is mainly on small-scale transformation of existing sites and buildings to meet new functional and aesthetic needs, characterized by small investment, good benefits, and high quality. The East Gate Market in Jinjiang District, Chengdu, is a "small and exquisite" block landscape known for its old Chengdu market cultural experience, backed by the famous writer Li Jieren's former residence. It has typical local characteristics and cultural accumulation. This article takes Chengdu East Gate Market as the research object, adopts both qualitative and quantitative research methods, uses the micro-updating of urban historical blocks as the entry point, conducts field research, summarizes the micro-updating practice experience of Chengdu East Gate Market from the aspects of spatial structure, material space, and cultural landscape, with a view to injecting new vitality into the updating practice of the same type of urban historical blocks and meeting the higher demands of contemporary people for spiritual and cultural life.