Officinal Magnolia Bark is the dried stem bark, root bark and branch bark of Magnolia officinalis
Rehd. et Wils, or Magnolia officinalis Rehd. et Wils. var. biloba Rehd. et Wils. (Fam. Magnoliaceae).

Action: To eliminate damp and relieve distension.

Indications: Accumulation of damp in the spleen and the stomach marked by epigastric stuffiness, vomiting and diarrhea; abdominal distension and constipation due to retention of undigested food; cough and dyspnea caused by retained damp.