Abstract: Samples are treated by cineration in the muffle furnace and some metal elements are deter mined in the root of Valeriana pseudo fficinalis by the flame atomic absorption spectromery.Eleven elements, such as K, Ca,Na, Mg, Fe, Zn, Cu, Co, Ni,Mu, and Pb are detected.Among those elements, six elements of Fe, Zn, Cu, Co, Ni,Mn are necesseny to lives. The rate of reclamation is 96.4%~105.5%

Key words: flame atomic absorption spechromery ( FAAS), Valeriana pseudo fficinalis, microelements