The thesis is divided into two parts. The first part is an introduction, overview and atlas about Rimini. Including development history， geographic change and current situation. The second part focus on how urban porosity and urban acupuncture theory can be applied to practice, especially the improvement and regeneration of the compact urban fabric in the city. Through the critical discourse analysis and design case of related theorists, analyzing the project from a theoretical perspective, integrating theory with practice, implemented in Rimini and the residential area Cavour in the center of Rimini. The first chapter explores a series of important theories of scholars, especially on urban morphology, urban environment, urban porosity and urban acupuncture.