The construction of a new museum of astronomy is planned by the present author in Yecheon Prefecture (λ = 128°28’ E, (ϕ> = 36°39’ N), Korea, with the openning date set in October, 1999. The aims of the museum directed in three area: (1) to exhibit astronomical works available in Korea, China, Japan and other regions of the Far East; (2) to serve the publics with written material for the study of history of Oriental astronomy; and (3) to operate a 40-cm reflecting telescope for researches of both professionals and amateur astronomers. A long-term project of the reconstruction of King Sejong’s instruments, which were made in the 15th century in the Kyongbok Palace, Seoul, is also an important subject of this museum.