Traditionally, museums were equipped with the functions of research, enclosure, conservation, and exhibition. In recent years, the focuses have been moved to recreation, information, communication, and education. Influenced by the trend to transform museums into executive agencies in other countries, particularly Japan, professional excellence has been measured in terms of creative exhibition, public service, and marketing. As a result, performance evaluations have sought new indicators. Under such a circumstance, the operation and management of museums need to seek novel ideas. The article draws on the experience of the National Museum of Prehistory for self-diagnosis and paths for breaking new grounds.