From the neutral fraction of the ethereal extraot of the Chinese drug Dan-Shen, the root of Salvia miltzorrhiza Bunge, tanshinone Ⅰ, tanshinone Ⅱ-A, cryptotanshinone, methyltanshinate, hydrotanshinone Ⅱ-A, tanshinone Ⅱ-B and dihydrotanshinone Ⅰ were isolated through silica gel column ohromatography and preparative thin layer chromatography and identified by physical chemical measurements. From the 5% sodium oarbonate-soluble fraotion of the same extract, three new tanshinones whioh were named danshexinkun A, danshegikun B and danshegikun C were isolated, and thier structures determined.