The purpose of this study is to explore the relationship between members’ infomal com-
munication in a refresh room and knowledge sharing among them in a workplace. The questionnaire
survey was conducted in a hospital in 2015. A hierarchcal mulitple regression analyssis and simple
slope analysis as a further analysis showed that the amount of chatting by a topic related to their
positive experience in teir job could be signi cantly connected to their evaluation to a performance of
knowledge sharing especiall on who spent a refresh time alone usually. The implication of this result,
future work and limit of this study are disscused.