Modern-contemporary history museums have increased since 2000 in Korean Society with the boom of history museum which started in the 1990’s around the world. They are closely related to the recent discussions about public history because it is museums that have been the major subjects of public history research. Lately oral history exhibitions have been introduced to modern-contemporary history museum since the oral narratives of witnesses who experienced major historical events have been collected through oral history interviews. This article seeks to examine the present situation of modern-contemporary history museums, discuss the issues involved in oral history exhibitions, and suggest alternatives. For this, the first part of the paper looks into 25 modern-contemporary museums in terms of opening year, major theme, location, types of administration whose visitors are more than 100,000 in 2020, out of which 7 museums turn out to have oral history exhibitions. The types of oral history exhibitions are illustrated and their effects are analyzed to offer the more elaborated orientations for oral history exhibition. Lastly, several issues generated in oral history exhibitions will be discussed in relation to public history, pointing out how oral history exhibitions contribute to the practice of public history in museums.