Traditional Chinese Medicine Healing Herbs(TCMHH)

Wind-Damp-Dispelling, tendons-Soothing and Collaterals-Activating Herbs

Chuan Shan Long (Ningpo Yam Rhizome)

Chuan Shan Long 穿山龙 穿山龍 Ningpo Yam Rhizome Rhizoma Dioscoreae Nipponicae
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
Chuan Shan Long (Ningpo Yam Rhizome)
Chuan Shan Long (Ningpo Yam Rhizome)
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Chuan Shan Long

Name

Chuan Shan Long (Rhizoma Dioscoreae Nipponicae)

The Effect of Japanese Yam

Property

Bitter, neutral; liver and lung meridians entered.

Actions

Dispel wind-damp, clear lung, induce diuresis and eliminate phlegm.

Indications

Rheumatalgia, bronchitis, sudden sprain in the lumbar region, traumatic injury.

Dosage and Administrations

Decoct 6~9 g or 30~45 g of the fresh product, or soaked in wine. Proper dosage is for external application, pounded it for applying with fresh product.

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Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

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