Qin Jiao Root

Chinese
秦艽
Pinyin
Qin Jiao
Latin
Radix Gentianae Macrophyllae
Botanical illustration of Root of Largeleaf Gentian, Gentiana macrophylla, showing Qin Jiao root material and diagnostic source details.
Botanical plate by Kodi .

Known in TCM as Qin Jiao (秦艽), this bitter and acrid, slightly cold herb enters the Liver, Gallbladder, and Stomach. Traditionally, it dispels wind-damp and relieves painful obstruction ... Qin Jiao is a classic root for hot bi, swollen painful joints, and chronic musculoskeletal stiffness where heat or lingering inflammation is present, most often applied for rheumatism, joint pain, and low back pain. Modern research has identified Secoiridoids among its active constituents.

Part used: Root

Also Known As

Gentianae Macrophyllae Radix Gentian Root Qin Jiao Root

Latin: Radix Gentianae Macrophyllae | Pinyin: Qin Jiao | Chinese: 秦艽

TCM Properties

Taste
bitter, acrid
Temperature
slightly cold
Channels
Liver, Gallbladder, Stomach

Traditional Use

Primary Actions

  • Dispels wind-damp and relieves painful obstruction ... Qin Jiao is a classic root for hot bi, swollen painful joints, and chronic musculoskeletal stiffness where heat or lingering inflammation is present.
  • Relaxes sinews and eases chronic limb pain ... it is used for rheumatic pain, low back soreness, and constrained movement without the heavy drying force of warmer bi herbs.
  • Clears deficient heat and resolves damp-heat jaundice ... the root reaches beyond joints into lingering low fever, steaming bone sensations, and some yellowing patterns with heat and dampness.

Secondary Actions

  • This is the canonical Qin Jiao root page and should be kept separate from the more regional flower page already live in the library.
  • Published Qinjiao literature often spans several accepted Gentiana source plants, but this queue record is intentionally anchored to Gentiana macrophylla and should say so.

Classic Formulas

  • Qin Jiao Bie Jia San ... classic deficient-heat formula using Qin Jiao to vent lingering heat from deep weakness states.
  • Da Qin Jiao Tang ... famous wind-stroke and channel-obstruction formula in which Qin Jiao helps open constrained channels.
  • Wind-damp pain formulas such as Juan Bi Tang or San Bi Tang ... pattern logic where Qin Jiao enters when painful obstruction has heat, stiffness, or deficiency overlap.

Classical References

  • Traditional herbology places Qin Jiao in the overlap between bi-pain treatment, deficient-heat clearing, and damp-heat resolution.
  • Authentication matters because the pharmacopoeial Qinjiao group spans multiple gentian sources and modern supply pressure has long encouraged substitution.

Modern Research

Active Compounds

  • Secoiridoids and iridoid glycosides such as gentiopicroside, loganic acid, and swertiamarin ... the main Qin Jiao markers
  • Triterpenes, flavones, and sterols ... supportive constituent classes discussed in reviews
  • Quality-control marker compounds and fingerprint fractions ... central to modern authentication work

Studied Effects

  • A 2026 systematic review synthesized ethnopharmacology, phytochemistry, pharmacology, clinical application, and quality control for Gentianae Macrophyllae Radix, confirming the modern breadth of Qin Jiao research (PMID 41203091).
  • A 2024 review revisited the phytochemistry, pharmacology, and clinical application of Gentianae Macrophyllae Radix and reinforced why Qin Jiao remains a major inflammatory-joint root in contemporary literature (PMID 38146635).
  • A 2018 review laid the foundation for current Qin Jiao authentication and source-plant understanding by summarizing botany, traditional use, pharmacology, and quality control across the medicinal group (PMID 30097114).

PubMed References

Safety & Interactions

Contraindications

  • Cold painful obstruction without heat
  • Middle-burner deficiency with chronic loose stool

Cautions

  • Qinjiao is a multi-source medicinal group in modern commerce, so authenticated sourcing matters.
  • Its bitter cooling nature can aggravate frail digestion if the pattern is misread.
  • Claims from generalized Qinjiao literature should not be assumed to map perfectly onto every gentian species or every plant part.

Conditions

Frequently Asked Questions

What is Qin Jiao Root used for?

Qin Jiao Root is traditionally used to Dispels wind-damp and relieves painful obstruction ... Qin Jiao is a classic root for hot bi, swollen painful joints, and chronic musculoskeletal stiffness where heat or lingering inflammation is present., Relaxes sinews and eases chronic limb pain ... it is used for rheumatic pain, low back soreness, and constrained movement without the heavy drying force of warmer bi herbs., Clears deficient heat and resolves damp-heat jaundice ... the root reaches beyond joints into lingering low fever, steaming bone sensations, and some yellowing patterns with heat and dampness.. Research has investigated its effects on: A 2026 systematic review synthesized ethnopharmacology, phytochemistry, pharmacology, clinical application, and quality control for Gentianae Macrophyllae Radix, confirming the modern breadth of Qin Jiao research (PMID 41203091).; A 2024 review revisited the phytochemistry, pharmacology, and clinical application of Gentianae Macrophyllae Radix and reinforced why Qin Jiao remains a major inflammatory-joint root in contemporary literature (PMID 38146635)..

What are other names for Qin Jiao Root?

Qin Jiao Root is also known as Gentianae Macrophyllae Radix, Gentian Root, Qin Jiao Root. In TCM: 秦艽 (Qin Jiao); Radix Gentianae Macrophyllae.

Is Qin Jiao Root safe during pregnancy?

The safety of Qin Jiao Root during pregnancy has not been established. Consult a qualified healthcare provider before use.

What are the contraindications for Qin Jiao Root?

Qin Jiao Root should not be used in: Cold painful obstruction without heat; Middle-burner deficiency with chronic loose stool. Consult a qualified practitioner before use.