As a shrine of this Seowon, it places the mortuary tablets of Sir. Toegye and Wolchon, his student. It, having 3 units of front, 2 units of side and an octagonal roof, is treasury No. 211. Generally, Sadang has Matbaejibung simple and gentle, whereas Dosanseowon Sadang has an octagonal roof. Frontal half unit is opened by Toecan and laying Jeondol on it and the remaining one and half unit has door only on the frontal side. Three sides except frontal side are decorated as wall and the interior is made as Tongkan.
Wolcheon devotes himself into studies with his teacher, and after his death he teaches students instead of Sir. Toegye. He was very talented and, in particular, righteous man.