Abstract: It is found that the volatiles of ethanol-extraction and chloroform-extraction from Buyanghuanwu Decoction are similar when studied the ethanol-extracion and chloroform-extracion of Buyanghuanwu Decoction by GC-MS; By studying the two extactions on the proliferation of mesenchymal stem cells it is also found that both of the two extractions can proliferate mesenchymal stem cells(P＜0.05).