Tangkuei & Astragalus Combination 當歸補血湯
Bupleurum & Schizonepeta Formula 十味敗毒湯
Astragalus & Peony Combination 補陽還五湯
Bupleurum & Cinnamon Combination 柴胡桂枝湯
Important Formula for Painful Purging 痛瀉要方