Under the background of urban renewal, the revitalization and transformation of traditional coastal fishing village areas have increasingly become a focus of attention in both academic research and professional practice. It aims to analyze the ecological, industrial, and cultural challenges faced by traditional coastal fishing village areas during their transformation. Taking Zhangjiatai area in Rizhao city as an example, by using the concept of "microrenewal", spatial environment, functional facilities, historical context, and implementation pathways have been analyzed systematically, and suitable revitalization and development strategies have been studied. This study will provide practical exploration for the urban renewal and protection development of traditional coastal fishing villages from the perspective of multi factor collaborative systems.