The purpose of this study is to explore how to activate the learning community by taking an in-depthlook at the development process of a practical learning community. To do this,『Smart Work Group』wasselected as the study object to conduct in-depth interviews and observation of participation as the mainmethod of study. The Smart Work Group is a self-contained, open learning community with a primarypurpose in practical learning for changing ways of work and life in the living world as technologyadvances. Participants showed various shapes beyond the boundaries of age, occupation, time, and space.As a result of the research, the development process of the『Smart Work Group』is divided into fivemeanings and described in depth. The process of development was identified as ‘curiosity and coincidentalsympathetic encounters , ‘enthusiastic learning and sharing of knowledge , ‘change of growth and focus ,‘search for reflection and change , and ‘developmental attempt for change The meaning was discussed.The way of activation of the practical learning community is to prepare to deal with the problems,conflicts and changes that occur in the process of growth and maturity in advance. Based on the resultsof this study, the suggestions and implications for the future study of the practical learning community foradult learning were described.