Bai Tou Weng Tang 白头翁汤 Coptis [Huang Lian] 黄连 6 Pulsatillae Chinensis [Bai Tou Weng] 白头翁 4.5 Fraxinus [Qin Pi] 秦皮 6 Phellodendron [Huang Bo] 黄柏 6