The study on the altitudinal distribution of Silpha koreana by using bait traps was conducted from Mt. Mindung (1119 m, alt.), Gangwon province on June 3rd to 4th, 2007. Each five bait traps at interval 1 m were placed at per plot along the following altitudes, 1100 m, 1000 m, 900 m, 800 m and 700 m. As a result, the highest density was in 1100m which was collected 176 individuals but nothing was collected in the sites of 800 m and 700 m. This species is shown the typical characteristic with mountane adaptation, preferring grasses or shrubs.