Roots and rhizomesWind-damp dispellingRadix Gentianae Macrophyllae

Qin Jiao (Large-Leaf Gentian Root)

A practical guide to Qin Jiao: what it is, how Traditional Chinese Medicine uses it, the classical formulas it appears in, and who should be careful with it.

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Last reviewed Oct 13, 2026

Quick Facts

Latin NameRadix Gentianae Macrophyllae
Chinese Name & Pinyin 秦艽 · Qin Jiao
Medicinal PartRoots and rhizomes
The herbQin Jiao is the dried root of the four official large-leaf gentians. Long Dan Cao and Du Huo are different official drugs.
Nature and channelsAcrid, bitter, neutral. Enters the Stomach, Liver, and Gallbladder. Acridity dispels wind. Bitterness dries dampness and clears heat. Neutral nature means it can appear in cold or hot bi, and in deficiency heat.
Pharmacopoeia lineDispels wind-damp. Clears damp-heat. Stops painful obstruction. Recedes deficiency heat. Used for wind-damp bi, sinew contracture, sore joints, late-afternoon tidal heat, and childhood gan accumulation with fever.
Pattern cuesWind-damp bi. Sinew contracture. Steaming-bone tidal heat. Late-afternoon fever.
In this articleQin Jiao versus Long Dan Cao, Du Huo, Fang Ji, and Qing Hao. Excess fire and damp-heat versus deficiency heat. Why a weak spleen is a caution. Who should skip it.

What Is Qin Jiao?

Qin Jiao (秦艽; Qín Jiāo; Latin: Gentianae Macrophyllae Radix; English: large-leaf gentian root) is the dried root of Gentiana macrophylla Pall., Gentiana straminea, Gentiana crassicaulis, or Gentiana dahurica. In Chinese medicine it is a wind-damp-dispelling herb. It is acrid, bitter, and neutral, enters the Stomach, Liver, and Gallbladder channels, and its core actions are to dispel wind-damp, clear damp-heat, stop painful obstruction, and recede deficiency heat. It treats wind-damp bi and also recedes steaming-bone tidal heat. That double use is the teaching point. It is not Long Dan Cao. Gentian is greatly bitter and greatly cold; it drains excess Liver–Gallbladder fire and lower-burner damp-heat. Qin Jiao is neutral and milder, and can also recede deficiency heat. It is not Du Huo. Pubescent angelica is acrid-warm and travels downward, leaning toward cold-damp in the lumbar region and knees. Garden gentian is not the official piece. A cold weak spleen and loose stools are a caution.

It is used most often for three patterns:

  • Wind-damp painful obstruction — sinew contracture, sore joints
  • Late-afternoon tidal heat and steaming bone — yin deficiency with heat
  • Childhood gan accumulation with fever — this belongs with a practitioner

It is usually used raw. The usual decoction dose is 3–10 g. Acrid, bitter, and neutral, it is not a daily “damp Qin Jiao tea.” Bitter draining with no dampness and no deficiency heat injures the middle.

When wind-damp blocks the collaterals, or yin deficiency generates interior heat, sore joints and afternoon tidal heat are common. Qin Jiao is acrid, bitter, and neutral. It dispels, clears, and recedes steaming, which is why it appears in Qin Jiao Bie Jia San. It drains more than it holds. An abdomen that likes warmth and loose stools loosen further if more bitterness is added.

Qin Jiao is not a catch-all wind-damp or fever root. In middle-cold diarrhea, or when there is no dampness and no steaming, using it alone can bitter-cool the stomach. Whether it belongs in Qin Jiao Bie Jia San should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Qin Jiao Large Leaf Gentian

Qin Jiao: Materia Medica Profile

Identification & Quality Standard

Radix Gentianae Macrophyllae

Botanical Origin

The dried root of Gentiana macrophylla Pall., Gentiana straminea Maxim., Gentiana crassicaulis Duthie ex Burk., or Gentiana dahurica Fisch.(Gentiannaceae)

Production Regions

Primarily produced in the Chinese provinces of Gansu, Ningxia, Qinghai, Sichuan.

Quality Requirements

Superior medicinal material has firm texture, brownish-yellow color, potent aroma.

Macroscopic Features

Gentiana macrophylla Pall: Sub-spherical shape, thick upper portion and thin lower portion, 10~30cm long, 1~3cm diameter. Externally yellowish-brown or grayish-yellow, with longitudinal or wrinkled longitudinal wrinkles, apex has remnants of stem base and fibrous leaf sheaths. Hard and brittle texture, easily broken, fractured surface is slightly oily, cortex is yellow or brownish-yellow, xylem is yellow. Distinctive aroma, bitter and slightly astringent taste. Gentiana straminea Maxim: sub-conical, numerous small roots are tangled and enlarged, up to 7cm diameter. Externally brown, rough, with cracks in reticular lines and holes. Loose and brittle texture, easily broken, fractured surface is often rotten. Gentiana dahurica Fisch: sub-conical or sun-cylindrical, 8~15cm long, 0.2~1cm diameter. Externally brownish-yellow. Often one main root, remnants of stem base and fibrous leaf sheaths, lower portion has branches. Fractured surface is yellowish-white.

3 Authentic Sourcing and Quality Identification

The main producing areas for Qin Jiao (Large Leaf Gentian Root) include Gansu, Shaanxi, Inner Mongolia, and Sichuan provinces.

  • Regional Differences: Roots from Gansu tend to be thicker and sturdier, while those from Shaanxi are relatively slender and long.
  • Premium Quality: High-quality roots are cylindrical, firm, and have twisted longitudinal textures on the surface. The cross-section is yellowish-brown, and it has a faint, unique smell with a bitter and astringent taste.
  • Processing: Sheng Qin Jiao usually comes in irregular segments. Jiu Qin Jiao is sprayed with yellow wine, slightly smothered, and stir-fried until slightly dry, giving it a darker color.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Acrid, Bitter; Slightly coldStomachLiverGallbladder

1. 2 Historical Herbological Records

This herb has been highly valued in classic texts:

  • Shen Nong Ben Cao Jing: Noted it for treating cold and heat pathogens, wind-dampness, joint pain, and promoting urination.
  • Ming Yi Bie Lu: Stated it treats wind conditions, whether old or new, and whole-body muscle spasms.
  • Ben Cao Gang Mu: Mentioned its use for Stomach/Intestine damp-heat, headaches, jaundice, and "bone-steaming" fever (a type of deficiency heat).

2. 3 Evolution of Medicinal Understanding

Throughout history, TCM doctors have viewed Qin Jiao (Large Leaf Gentian Root) slightly differently based on their clinical focus:

  • Some emphasized its wind-damp dispelling properties for joint pain and arthritis.
  • Others focused on its ability to clear damp-heat and reduce deficiency heat, using it for hot flashes or jaundice.
  • While it is widely applicable for both acute and chronic wind-damp conditions, historical doctors strictly warned against using it excessively for people with a cold, weak spleen and stomach or chronic loose stools.
Qin Jiao Large Leaf Gentian

Core Efficacies & Traditional Applications

Traditional Functions

Dispels wind-damp, comforts sinews, clears deficiency heat. Apply to wind-damp impediment, contracture of bones and muscles, sour pain of bone and joint, afternoon tidal fever, infantile malnutrition with fever.

1. 1 First Primary Action: Dispersing Wind-Dampness and Relieving Joint Pain

The core traditional function of Qin Jiao (Large Leaf Gentian Root) is to dispel wind-dampness and relieve "Bi" syndrome (painful obstruction).

  • Common Symptoms: Rheumatic joint pain, soreness, and limb stiffness that typically worsen in cold or damp weather.
  • Common Pairings: It is frequently combined with herbs like Sang Zhi (Mulberry Twig) and Du Huo (Angelica Pubescens Root) to enhance its ability to dispel wind and unblock meridians.
  • Caution: People with a deficient-cold Spleen and Stomach (often experiencing loose stools) should avoid using it on their own, as it may worsen cold symptoms.

2. 2 Second Primary Action: Clearing Damp-Heat and Reducing Deficiency Heat

Another major function is clearing damp-heat and reducing "deficiency heat" from the body.

  • Common Symptoms: Damp-heat jaundice (yellowing of the skin), low-grade afternoon fevers, night sweats, or low-grade fevers in children with poor digestion.
  • Common Pairings: Usually paired with Yin Chen (Virgate Wormwood) or Di Gu Pi (Wolfberry Bark) to boost its heat-clearing effects.
  • Caution: Pregnant women should avoid using this herb without professional guidance.

3. 3 Common Single Herb Pairing: The Herb Pair

A classic herbal pair is Qin Jiao (Large Leaf Gentian Root) and Sang Zhi (Mulberry Twig).

  • Qin Jiao dispels wind-dampness and clears damp-heat, while Sang Zhi specializes in unblocking meridians and benefiting the joints.
  • Together, they work synergistically to relieve joint soreness and mobility issues caused by wind-damp blockages. Like all TCM combinations, this requires a professional diagnosis to adjust the ratio properly; do not mix them on your own.
Qin Jiao Large Leaf Gentian

Modern Research

Modern research offers useful context, but Traditional Chinese Medicine prescribes on whole-pattern diagnosis rather than isolated compounds.

1. 1 Main Chemical Components

Modern research shows that the plant contains iridoid glycosides (like gentiopicroside), flavonoids, and alkaloids. In laboratory settings, some of these compounds have demonstrated anti-inflammatory activities at the cellular level. In animal tests, extracts have shown a mild ability to reduce joint swelling.

2. 2 Modern Pharmacological Research Directions

Current pharmacological studies mainly focus on its anti-inflammatory and pain-relieving potential. While animal models show it can help alleviate joint pain, the research is still largely focused on isolating active components and understanding their mechanisms.

3. 3 Limitations of Modern Research

  • Lab ≠ Clinical: Animal and test-tube results cannot be directly equated to how the herb works in the human body.
  • Extracts vs. Whole Herbs: Modern studies often use isolated, high-dose extracts, which behave very differently from the traditional boiled decoctions of Qin Jiao (Large Leaf Gentian Root).
  • Synergy in TCM: The medicinal effect of the herb relies on the synergistic action of all its components, not just a single isolated chemical. More human clinical trials are needed to fully validate its modern applications.
Qin Jiao Large Leaf Gentian

Comparing Similar Herbs

1. 2 Similarities with Comparable Herbs

Both Qin Jiao (Large Leaf Gentian Root) and Du Huo (Angelica Pubescens Root) dispel wind-dampness and relieve joint pain. Both are commonly found in formulas treating rheumatic discomfort, and both require careful attention to dosage and body type to avoid misuse.

2. 3 Core Differences

  • Nature and Flavor: Qin Jiao is neutral in nature and bitter/acrid, making it versatile for both cold and hot mixed conditions. Du Huo is warm and drying, making it better suited for severe cold-type rheumatism.
  • Primary Focus: Qin Jiao excels at clearing damp-heat and reducing deficiency heat, making it great for swollen joints with low-grade fevers. Du Huo focuses purely on dispelling cold and dampness, targeting cold, aching joints (especially in the lower back and knees).
  • Action Tendency: Qin Jiao has a "clearing" and "unblocking" nature without being too drying. Du Huo has a "warming" and "dispersing" nature, helping to boost Yang energy and scatter cold.
  • Suitable Symptoms: Choose Qin Jiao for joint pain with heat signs (redness, swelling, heavy limbs, afternoon fever). Choose Du Huo for cold, aching joints that worsen in winter, cold hands/feet, and lower back weakness.
  • Contraindications: Qin Jiao is bad for those with a weak, cold digestive system. Du Huo is bad for those with Yin deficiency and internal heat (dry mouth, red tongue), as it will make the body even drier.

3. 4 One-Sentence Summary

Qin Jiao (Large Leaf Gentian Root) is better for clearing damp-heat and relieving joint pain, while Du Huo (Angelica Pubescens Root) is strictly for warming the body to scatter cold and dampness; they are not freely interchangeable.

Qin Jiao Large Leaf Gentian

Classical Formulas Containing Qin Jiao

Formulas vs. Single Herbs

  • Synergy is Key: A formula is a balanced team. The healing power comes from how the herbs interact, so a single herb cannot simply replicate a full formula's effects.
  • Holistic Balance: The exact dosage and combination in a formula affect the entire body. Never try to mix or alter these formulas at home based on internet articles.

Diet & Daily Home Use

1. 1 Home Tea or Dietary Application

  • Example: Qin Jiao Sang Zhi Cha (Large Leaf Gentian Root and Mulberry Twig Tea).
  • Ingredients: 3g of Qin Jiao, 5g of Sang Zhi, and 1 slice of fresh ginger.
  • Method: Rinse the herbs, steep in boiling water, and let sit for 10 minutes before drinking.
  • Use Case: Mild joint soreness from sitting too long or pain that worsens slightly in damp weather, provided there are no severe cold or heat symptoms.
  • Usage Limit: 1 to 2 times a week. It is a medicinal herb and should not be consumed daily like normal food.
  • Caution: Not for pregnant women or those with a weak, cold stomach (frequent diarrhea).

2. 2 Preparation Differences

  • Raw vs. Processed: Sheng Qin Jiao (Raw Large Leaf Gentian Root) is better for dispelling wind-dampness and clearing heat. Jiu Qin Jiao (Wine-processed Large Leaf Gentian Root) is enhanced with yellow wine to focus on unblocking meridians and stopping pain.
  • Cooking Rules: At home, Qin Jiao doesn't require special handling. It boils just like regular herbal teas (about 10-15 minutes).
  • Dose Conversion: Do not use clinical prescription dosages for your daily home tea; dietary doses must be much smaller.

3. 3 Dosage and Usage Cycle

  • Dosage: Clinical doses range from 3 to 10g. For home diet or tea use, stick to 3 to 5g to be safe.
  • Usage Cycle: Home use is for mild, temporary relief. Do not use continuously. If your symptoms don't improve after 1 to 2 weeks, stop taking it and see a doctor.
Qin Jiao Large Leaf Gentian

Contraindications & Safety Warnings

1. 1 Not Suitable For

  • Weak Digestion: People with Spleen-Stomach deficiency-cold or chronic loose stools.
  • Pregnant & Nursing Women: Use with extreme caution to avoid adverse bodily reactions.
  • Vulnerable Demographics: Children, the elderly, and those with liver or kidney issues should only use this under strict medical supervision.
  • Allergies: If you are allergic to plants in the Gentianaceae family, avoid this herb.

2. 2 Drug Interactions and Dietary Notes

  • Interactions: Qin Jiao may interact with western medications like blood thinners (e.g., Warfarin), blood pressure meds, or diabetes drugs. Always consult your doctor before mixing them.
  • Dietary Notes: While food pairings aren't strictly "toxic," certain herbs can interact with specific medications. Always double-check with a pharmacist or doctor.

3. 3 Adverse Reactions and Risks

  • Overdose Risks: Taking too much can lead to nausea, vomiting, or diarrhea.
  • Seek Immediate Help: If you experience severe discomfort, allergic reactions (rashes, itching), difficulty breathing, or rapid worsening of symptoms, stop use immediately and go to a hospital.

Frequently Asked Questions About Qin Jiao

What is Qin Jiao? Are Du Huo, Fang Feng and Long Dan Cao the same?
Official Qin Jiao (秦艽) is the dried root of Gentiana macrophylla, Gentiana straminea, Gentiana crassicaulis or Gentiana dahurica. The pharmacopoeial name is Gentianae Macrophyllae Radix. Du Huo is acrid-bitter and slightly warm: dispels wind-damp and unblocks painful obstruction—lower-body cold-damp. Fang Feng is acrid-sweet and slightly warm: dispels wind, releases the exterior, overcomes damp, stops pain and stops spasm. Long Dan Cao is bitter-cold: clears heat, dries damp and drains Liver-Gallbladder fire. Write Qin Jiao. Use caution in long pain with vacuity wasting, slippery stool and copious urine.
What are the TCM properties and traditional uses of Qin Jiao?
According to the Chinese Pharmacopoeia, Qin Jiao is acrid, bitter and neutral, enters the Stomach, Liver and Gallbladder channels, and acts to dispel wind-damp, clear damp-heat, stop painful obstruction and abate vacuity heat. It is used for wind-damp painful obstruction, sinew-vessel contracture, aching bones and joints, late-afternoon tidal heat, and pediatric gan accumulation fever. Acrid-dispersing, bitter-draining and neutral, it suits both wind-damp-heat and vacuity heat—not lower-body vacuity cold, slippery stool or copious urine.
Does Qin Jiao need special processing? Can Long Dan Cao replace it?
Wash, moisten through, cut thick slices and sun-dry; add to a normal decoction. Frying can reduce bitter-cold injury to the Stomach but is not a required pharmacopoeial grade. Gentian is bitter-cold and drains excess Liver-Gallbladder fire; it cannot replace Qin Jiao for dispelling wind-damp and abating vacuity heat by equal weight. Mahua Jiao and Xiao Qin Jiao share the monograph; choose firm, not hollow-rotten pieces.
What is the usual dosage? Can it be drunk daily as a rheumatism-and-heat tea?
The pharmacopoeial decoction dose is 3–10 g. It is not a four-season “Qin Jiao rheumatism tea.” Without damp-heat, bitterness only injures the Spleen. Painful obstruction and tidal heat need a practitioner to name a short course; it does not replace rheumatologic and tuberculosis assessment.
What are the contraindications? Can it be used in pregnancy?
Use caution in long pain with vacuity wasting, copious urine, slippery stool and lower-body vacuity cold. Pregnancy needs a practitioner’s assessment. Stop if diarrhea, aversion to cold and urinary incontinence appear. High fever with jaundice and a hot, swollen, severely painful joint are emergencies to exclude infection.
Can Qin Jiao dispel wind-damp, clear damp-heat and abate vacuity heat?
It can help wind-damp painful obstruction and vacuity heat. External wind-damp with sinew-vessel contracture appears in a Da Qin Jiao Tang type formula. Liver-Kidney insufficiency with lumbar-knee obstruction joins Angelica pubescens, Taxillus, Eucommia and Achyranthes in Du Huo Ji Sheng Tang. Damp-heat jaundice may join Virgate Wormwood and Gardenia. It dispels wind-damp, clears damp-heat, stops painful obstruction and abates vacuity heat—not a specific for every joint pain, every tidal heat or every jaundice.
Can Qin Jiao be drunk daily as an antirheumatic, bone-steaming or jaundice tea?
Wind-damp contracture, late-afternoon tidal heat and gan fever may enter a short formula; vacuity cold only grows more slippery as it bitters. “Qin Jiao cures rheumatism” does not replace immune and infection assessment. Dispelling wind-damp, clearing damp-heat and abating vacuity heat should name Qin Jiao 3–10 g.
How do you choose among Qin Jiao, Du Huo, Fang Feng, Wei Ling Xian and Huang Bai?
Large-leaf gentian is acrid-bitter-neutral: dispels wind-damp, clears damp-heat, stops painful obstruction and abates vacuity heat—wind-damp-heat and bone-steaming. Pubescent angelica is acrid-bitter and slightly warm: dispels wind-damp and unblocks painful obstruction—lower-body cold-damp. Saposhnikovia is acrid-sweet and slightly warm: dispels wind, releases the exterior, overcomes damp, stops pain and stops spasm—exterior and interior wind-damp. Clematis is acrid-bitter-warm: dispels wind-damp and unblocks the channels. Phellodendron is bitter-cold: clears heat, dries damp, drains fire, resolves toxin and abates vacuity heat—lower-burner damp-heat. Whole-body contracture with vacuity heat favors Qin Jiao; lumbar-knee cold-damp favors Du Huo; exterior wind favors Fang Feng; stubborn obstruction favors Wei Ling Xian; lower-burner damp-heat favors Huang Bai. They may be paired (Du Huo Ji Sheng Tang with Qin Jiao); vacuity cold with slippery stool cautions Qin Jiao and Huang Bai.
Which herbs is Qin Jiao combined with? What are the representative formulas?
External wind-damp with sinew-vessel contracture appears in Da Qin Jiao Tang. Liver-Kidney insufficiency with lumbar-knee obstruction joins Angelica pubescens, Taxillus, Eucommia, Achyranthes, Asarum, Qin Jiao, Poria, Cinnamon bark, Saposhnikovia, Chuanxiong, Ginseng, Licorice, Angelica, Peony and Rehmannia in Du Huo Ji Sheng Tang. Write Qin Jiao 3–10 g.
How do you choose and store Qin Jiao?
Choose thick, firm roots that are yellowish-brown, with a characteristic odor, a bitter slightly astringent taste, and a cut face that is not hollow-rotten. Mahua Jiao is knotted and bulky and easily hollow; Xiao Qin Jiao is slender. Moldy, moth-eaten, hollow or tasteless lots are discarded. Store ventilated and dry. Buy pharmacopoeial Qin Jiao; do not replace dispelling wind-damp, clearing damp-heat and abating vacuity heat with Long Dan Cao by equal weight.

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Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.

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Qin Jiao (Large-Leaf Gentian): Dispel Wind-Damp, Clear Damp-Heat, and Reduce Deficiency Heat