Gray infrastructure has caused a series of environmental and social problems. At the same time, it contains the potential for stock development in urban redevelopment, with both challenges and opportunities. There are differences in infrastructure research, and a relatively unified framework needs to be improved. This paper focuses on the critical elements of infrastructure from the perspective of Landscape Urbanism and emphasizes the “agency” of landscape in promoting the transformation of infrastructure. Then combines the field theory of sociology to propose the concept of “field infrastructure” and summarizes principles and trends under the transformation of the economy and urban development model. First, analyze the major elements of the internal relationship between infrastructure and urban public space and field theory, namely “magnetic field” mechanism, and process. Second, summarize the four major elements of “field infrastructure” in reorganizing and constructing urban space. The representation of compound transformation includes integration, dynamics, collaboration, and pluralism. From an interdisciplinary perspective, build a theoretical framework and action program that integrates engineering, landscape, architecture, and planning to advocate a new paradigm of “field infrastructure-oriented development” for the place-making of urban public space.