Bi Yan Pian is aformula which is thought to be based on Xanthium Powder as describd in Formulas to Aid the Living" (Ji Sheng Fan) by Dr. Yan Yong-He in 1253AD. Ingredients: Juan Bai (Selaginella Tamariscina); Lian Qiao (Forsythiae Suspensae Fructus); Qiang Huo (Rhizoma Notopterygli); Bai Zhi (Angelicae Radix); Gan Cao (Glycyrrhizae Uralensis Radix); Zhi Zi (Gardeniae Jasminodis Fructus); Huang Bai (Phellodendri Cortex) Jue ming zhi(Semen Cassiae); Jie Geng (Platycodi Grandiflori Radix); Fang Feng( Ledebouriellae Sesloidis Radix); Wu Wei Zi (Schisandrae Chinensis Fructus); Jing Jie (Schizonepetae Tenuifoliae - Herb and Flower). Usage and Dosages: 90 tablets in each box. 4 tablets each time 3 times daily.  "