Objective : The purpose of this study is to analyze the origin plants and the characteristics of the origin-plants of Sang-San.
Method : To achieve the purpose of this study, bibliographies about Sang-San were examined. The examination was focused on the origin. Standing on this analysis the list and characteristics of the origin plants were presented.
1. RADIX DICHROAE is root of Dichroa febrifuga Lour.
2. At first, RADIX DICHROAE was belong to Orixa japonica Thunb which was used until 907-960. After that, it changed as what we call RADIX DICHROAE today.
3. Current RADIX DICHROAE has various of types in the market.
Conclusions : RADIX DICHROAE is root of Dichroa febrifuga Lour.
KeyWords : RADIX DICHROAE, Dichroa febrifuga Lour, Orixa japonica Thunb