In recent years, the social trend of emphasizing work-life balance (Work-Life Balance) and the introduction of the 52-hour workweek system have highlighted the need for smart offices focused on work efficiency. Public institutions are also actively pursuing the implementation of smart offices. This paper aims to provide guidelines for establishing smart offices in public institutions, based on field surveys and user studies of a public office currently undergoing relocation planning. Through a spatial usage survey of Public Office A, which is in the process of relocation planning, and user surveys and interviews with staff, this study identifies office space improvement needs and requirements. Furthermore, by analyzing domestic and international case studies of smart office implementations in public institutions, this paper offers practical directions for the establishment of smart offices in public institutions. Based on the surveys and interviews conducted, the study addresses the specific requirements of each department, ensures a clear understanding of and engagement with spatial needs, and incorporates insights from successful international examples. This paper highlights the importance of applying innovative spatial designs that can improve the current organizational culture, facilitating active communication and collaboration.