Caoguo is the dried ripe fruit of Amomum tsaoko Crevost
et Lemaire (Fam. Zingiberaceae).
To remove cold-damp from the spleen and
the stomach, and to stop malarial attacks.
Accumulation of Cold-damp in the spleen and the stomach
manifested by epigastric distension, fullness and pain accompained
by vomiting; malaria with paroxysms of chills and fever.