In oriental medicine, Ostericum koreanum Radix & Aralia contientalis Radix are frequently used materials for strenthing lumbar and knees. Bang-Yak-Hap-Pyun(方藥合編) is widely used for clinical herbal prescription book. In Bang-Yak-Hap-Pyun, Ostericum koreanum Radix is used 1.2g~6g. and Aralia contientalis Radix is used 1.6g~4.8g. The most important fact is that the prescription used Ostericum koreanum Radix & Aralia contientalis Radix at the same time is 11. The number of prescription Ostericum koreanum Radix & Aralia contientalis Radix in Bang-Yak-Hap-Pyun is total 41. 5 in sang-tong(上統), 22 in jung-tong(中統), 14 in ha-tong(下統). The group of mostly used disease is about low back pain, knee pain, C.V.A., facail palsy, commom cold, numbness. The ratio of Ostericum koreanum Radix in Bang-Yak-Hap-Pyun is 3.03%~15.63%. And the ratio of Aralia contientalis Radix is 3.57%~12.00%. The mostly quoted medical literature what prescription included Ostericum koreanum Radix & Aralia contientalis Radix in Bang-Yak-Hap-Pyun is Dong-Yi-Bo-Gam. Man-Byeong-Hoi-Choon, and Hwa-Je-Gook-Bang.