The purpose of this study is to propose a management plan of the pop-up library model that is developed as part of the outreach library service recently. Especially this study focused the method for meeting the citizen's right to know by providing various information of the pop-up library in social fields such as a national disasters. The survey and In-depth interview (a volunteer of Sewol ferry disaster and a participant of 2013 Busan International Film Festival) were done for this research. As the results of the investigation, the lack of communication and information between members in constrained situations were pointed pointed out as important problems. With these findings, this study suggested the pop-up library model management plan in information-constrained situations.