Mu Dan Pi
| 牡丹皮 | moutan root bark, tree peony root bark | Cortex Moutan Radicis |
Sheng Di Huang
| 生地黃 | Chinese foxglove root, rehmannia (fresh),Rehmannia root | Radix Rehmanniae Glutinosae |
Shui Niu Jiao
| 水牛角 | water buffalo horn | Cornu Bubali |
Xi Jiao
| 犀角 | rhinoceros horn | Cornu. Rhinoceri |
Xuan Shen
| 玄參 | ningpo figwort root, scrophularia | Radix Scrophulariae Ningpoensis |
Zi Cao
| 紫草 | groomwell root, lithospermum, arnebia | Radix Arnebiae seu Lithospermi |