Our action plan echoes the eleventh sustainable development goal-to promote inclusiveness, safety, resilience and sustainability of cities and human settlements, focusing on promoting local compliance with the expectations of the times, and achieving "Sustainable Cities and Communities" aims. In terms of community building in Taiwan, further changes need to be made in accordance with the trend of sustainable development. It is no longer just a role of striving for resources, and the approach cannot only be a single project operation in the community, but must be towards the sustainable goals of individuals, communities, and society. Form a new strategy for community building. This summer, we extended the semester curriculum and independently participated in the rural migration plan for college students: with community building as the main project, we created a series of design plans for the coastal community in the North District of Hsinchu City. Through in-depth field investigations, during the summer vacation, the implementation and evaluation of the content of the project-based on the cultural history and ecological environment in the community, innovate related activities and methods to facilitate the growth of the community, and look forward to action as a milestone in the ideal urban and rural areas.