Areca Peel is the dried pericarp of Areca catechu L. (Fam . Palmae). The unripe fruit is collected in winter to the next spring, dried after boiled, cut longitudinally into two valves. The pericarp is peeled. It is known as "Dafupi". The ripe fruit is collected from late spring to early autumn, dried after boiled, the pericarp peeled, tapped to loosen and dried in the sun, known as "Dafunmao".

Action: To promote the descending of qi, to relieve abdominal distension, and to cause diuresis.

Indications: Stagnation of qi due to accumulation of damp marked by epigastric.and abdominal distension, difficult evacuation of the feces, edems of the legs and oliguia.