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Mao Bai Yang

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Mao Bai Yang (Cortex Populi Tomentosae)


The drug is the dried bark, inflorescence or fresh leaf of Populus tomentosa Carr. (Family Salicaceae), growing in mountain area and pastures, and distributed and cultivated mostly in North China, North-west Chinaand Liaoning, Henan, Shandong, Anhui, Jiangsu and Hubei.

  1. 毛白杨
  2. Cortex Populi Tomentosae
  3. Bark of Chinese white poplar

The Effect of Mao Bai Yang


Bitter, sweet, cold.


Clear heat and induce diuresis, relieve cough and reduce phlegm.


Dysentery, stranguria with turbid urine, leukorrhea, asthma due to excessive phlegm with cough, cough due to lungheat, hepatitis.

Dosage and Administrations

Decoct 10~15 g. Proper dosage is for external application, pounded for applying.