A kind of Chinese pennisetum active material for having anticancer activity of what is closed in system of the present invention,Its by Chinese pennisetum respectively by acid,Alkali,Solvent is handled,Sequentially handled respectively with broken cell again,Filtering,Col-umn chromatography and etc.,With prepare respectively ZE5 extract liquor,ZE50 extract liquor,ZE501 extract liquor,The grade extract liquors assess Hou through anticancer activity,As have the Chinese pennisetum active material of anticancer activity； The Chinese pennisetum active material of the tool anticancer activity has selective toxic effect to what cancer cell,Especially system is effective to what lung carcinoma cell and breast cancer cell,And to normal cell without obvious cytotoxicity.本發明係關於一種具抗癌活性之狼尾草活性物質，其將狼尾草分別藉由酸、鹼、溶劑進行處理，再依序分別以破細胞處理、過濾、管柱層析等步驟，以分別製備出ZE5萃取液、ZE50萃取液、ZE501萃取液，該等萃取液經抗癌活性評估後，即為具抗癌活性之狼尾草活性物質；該具抗癌活性之狼尾草活性物質對於癌細胞具選擇性毒殺效果，特別係對於肺癌細胞及乳癌細胞有效，且對正常細胞無明顯之細胞毒性。
