Roots and rhizomesInterior-warmingRhizoma Zingiberis

Gan Jiang (Dried Ginger)

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

View Herb Profile →

Last reviewed Sep 25, 2026

Quick Facts

Latin NameRhizoma Zingiberis
Chinese Name & Pinyin 乾薑 · Gan Jiang
Medicinal PartRoots and rhizomes
The herbGan Jiang is the dried rhizome of ginger. Sheng Jiang is the fresh rhizome. Pao Jiang and ginger charcoal are different processed forms. Same plant, different layers of action.
Nature and channelsAcrid, hot. Enters the Spleen, Stomach, Kidney, Heart, and Lung. Acridity disperses and moves. Heat clears interior cold.
Pharmacopoeia lineWarms the middle and disperses cold. Restores yang and unblocks the vessels. Warms the Lung and transforms thin mucus. Used for cold epigastric and abdominal pain, vomiting and diarrhea, icy limbs with a faint pulse, and cold thin-mucus wheezing.
Pattern cuesCold abdominal pain. Watery vomit or diarrhea. Icy limbs. Faint pulse. Cold thin sputum and wheeze. Pale tongue with white, slippery coating.
In this articleGan Jiang versus fresh ginger and Pao Jiang. How it differs from Fu Zi, Rou Gui, and Xi Xin. Why yin-deficiency heat is a stop sign. Who should skip it.

What Is Gan Jiang?

Gan Jiang (干姜; Gān Jiāng; Latin: Zingiberis Rhizoma; English: dried ginger) is the dried rhizome of Zingiber officinale Rosc. In Chinese medicine it is an interior-warming herb. It is acrid and hot, enters the Spleen, Stomach, Kidney, Heart, and Lung channels, and its core actions are to warm the middle and disperse cold, restore yang and unblock the vessels, and warm the Lung and transform thin mucus. It is not Sheng Jiang (fresh ginger). Fresh ginger more strongly releases the exterior and stops vomiting. Once dried, ginger is hotter and more holding. It more strongly warms the middle and restores yang. It is not Pao Jiang (blast-fried ginger), which warms the channels and stops bleeding, and is less mobile. Kitchen ginger tea is not the same as Gan Jiang at the dose used to restore yang.

It is used most often for three patterns:

  • Middle cold — cold abdominal pain, vomiting and diarrhea, better with warmth and pressure
  • Yang collapse — icy limbs, a faint pulse on the verge of expiry
  • Cold thin mucus with wheezing — clear white sputum, cold back, labored breathing

Dried (raw official) Gan Jiang is stronger at warming the middle, restoring yang, and transforming thin mucus. Pao Jiang leans toward warming the channels and stopping bleeding. Ginger charcoal is more astringent for bleeding. The usual decoction dose is 3–10 g. Yin-deficiency interior heat, reckless hot blood, and excess-heat constipation are contraindications. Acrid heat is drying. It is not a winter snack to chew without limit.

When the abdomen likes warmth, clear fluid is vomited, or sputum is thin and white, middle-yang failure or cold thin mucus is common. Gan Jiang is acrid and hot. It holds, unblocks, and transforms, which is why it appears in Li Zhong Tang, Si Ni Tang, and Xiao Qing Long Tang. It heats without nourishing yin. A dry red tongue and night sweats get worse if more heat is added.

Gan Jiang is not a catch-all for feeling cold, and fresh ginger tea does not replace Gan Jiang in a yang-restoring formula. In yin-deficiency fire or excess-heat accumulation, using it alone can assist fire and damage yin. Dried, fresh, or blast-fried should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Gan Jiang Dried Ginger

Gan Jiang: Materia Medica Profile

Identification & Quality Standard

Rhizoma Zingiberis

Botanical Origin

The dried rhizomes of Zingiber officinale (Willd.) Rosc.(Zingiberaceae).

Production Regions

Primarily produced in the Chinese provinces of Sichuan, Guizhou.

Quality Requirements

Superior medicinal material has firm texture, yellowish-white fractured surface, powdery, potent aroma.

Macroscopic Features

Rhizome are irregular lumps, slightly flat, with finger-like branches, 3~7cm long, 1~2cm thick. Externally grayish-brown or pale yellowish-brown, rough, with longitudinal wrinkles and obvious ring nodes. Often remains remnants of scale leaves on the branches, which has scars of stem or bud at the apex. firm texture; fractured surface is yellowish-white or grayish-white, powdery or granular, with one obvious ring (inner cortex) and vein spots (vascular bundles) and scattered yellow oil spots. Distinctively aromatic odor; acrid and spicy taste.

Sourcing and Quality Identification

  • Premium Origins: Traditionally, the highest quality Gan Jiang comes from regions like Sichuan, Guizhou, and Henan. However, the final quality depends heavily on harvest time, processing, and storage.
  • Appearance: Authentic dried ginger appears as flat, finger-like branches (3-7 cm long) with a rough, grey-yellow or light yellow-brown surface marked by longitudinal wrinkles. It is solid with a powdery or granular yellowish-white cross-section.
  • Aroma and Taste: It has a highly distinct, aromatic, and deeply spicy taste.
  • Variations in Use: Raw Gan Jiang is highly pungent and hot. Pao Jiang is often used to warm the meridians and stop bleeding, while Jiang Tan is specifically processed for stronger hemostatic (bleeding-stopping) effects.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Acrid; HotSpleenStomachHeartLung

1. Historical Records

  • Shen Nong Ben Cao Jing (The Divine Farmer's Materia Medica): Notes that it helps clear chest fullness, warms the "middle" (digestive system), stops bleeding, induces sweating, and expels wind-dampness.
  • Ming Yi Bie Lu (Miscellaneous Records of Famous Physicians): Highlights its use for cold-induced abdominal pain, severe bloating, and eliminating cold-related stagnation.

2. Evolution of TCM Understanding

Throughout history, TCM doctors have utilized Gan Jiang in two main ways. Some focus on its ability to warm the middle and dispel cold, making it a staple for Spleen and Stomach "deficiency-cold" (poor digestion with cold symptoms). Others emphasize its powerful ability to restore exhausted Yang in critical, extreme cold conditions, making it a highly respected and versatile warming herb.

Gan Jiang Dried Ginger

Core Efficacies & Traditional Applications

Traditional Functions

Warms the center, disperses cold, returns yang, frees the vessels, dries dampness, disperses phlegm, warms the lung, eliminates phlegm. Apply to abdominal cold pain, vomiting, diarrhea, yang exhaustion and acute thoracic pain, dyspnea with cough due to cold fluid-retention, Rheumatic arthralgia due to cold hygrosis.

1. Primary Focus: Warming the Middle and Dispelling Cold

  • Traditional Efficacy: It is highly effective at warming the "middle" (the digestive system) to dispel cold, while strengthening the Spleen and harmonizing the Stomach.
  • Target Symptoms: Frequently used for "Spleen and Stomach deficiency-cold" patterns. Symptoms include cold and painful sensations in the stomach (which feel better with warmth), a bland taste in the mouth, lack of thirst, spitting up clear fluids, and a pale tongue with a white coating.
  • Common Combinations: Often paired with herbs like Dang Shen (Codonopsis Root) and Bai Zhu (Atractylodes Rhizome) in formulas like Li Zhong Wan (Regulate the Middle Pill) to boost its ability to warm and strengthen digestion.
  • When to Avoid Self-Use: Do not use it on your own if you have "excess heat" or "Yin deficiency with internal heat" (which often presents as feeling hot, dry mouth, or night sweats).

2. Secondary Focus: Restoring Yang and Unblocking Meridians

  • Traditional Efficacy: It is a critical herb for "restoring Yang and rescuing from rebellion" (saving the body from extreme cold collapse) and unblocking the meridians.
  • Target Symptoms: Used in emergency "Devastated Yang" (Wang Yang) conditions, characterized by ice-cold hands and feet, spontaneous cold sweats, and a fading, almost imperceptible pulse.
  • Common Combinations: Frequently paired with the powerful herb Fu Zi (Prepared Aconite Root) in formulas like Si Ni Tang (Frigid Extremities Decoction) to powerfully restore fading Yang energy.
  • When to Avoid Self-Use: Strictly contraindicated for "true heat with false cold" or conditions where severe Yin excess pushes Yang to the exterior.

3. Common Single-Herb Pairings

  • Gan Jiang and Fu Zi: This is a classic, powerful combination. Fu Zi is extremely pungent and hot, rescuing Heart Yang, warming Spleen Yang, and tonifying Kidney Yang. Gan Jiang warms the middle and unblocks the meridians. Together, they form the ultimate pair for rescuing devastated Yang. Note: This is a potent combination for critical conditions and must only be prescribed by a qualified TCM doctor.
Gan Jiang Dried Ginger

Modern Research

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

1. Main Chemical Components

Modern analysis shows that Gan Jiang contains essential oils and active compounds like gingerols. Laboratory studies suggest these components possess anti-inflammatory and mild antibacterial properties. Animal models indicate it can stimulate gastrointestinal motility and boost overall digestive function, aligning with its traditional use for poor digestion.

2. Modern Pharmacological Focus

Current scientific research primarily focuses on how Gan Jiang influences the digestive system and its potential benefits for cardiovascular health. While early data is promising, more human clinical trials are needed to fully confirm these effects.

3. Limitations of Modern Research

To keep a balanced perspective on modern scientific claims:

  • Lab vs. Life: Results from test tubes or animal models do not directly guarantee the same effects in the human body.
  • Extracts vs. Whole Herb: Modern isolated extracts (like pure gingerol) act differently and have different dosages than traditional whole-herb decoctions.
  • Synergy Matters: In TCM, the healing power comes from the synergistic effect of all compounds in the whole plant, not just a single isolated chemical.
Gan Jiang Dried Ginger

Comparing Similar Herbs

1. Common Ground: Gan Jiang vs. Gao Liang Jiang

  • Both Gan Jiang (Dried Ginger) and Gao Liang Jiang (Galangal Root) are hot and pungent.
  • Both are used to warm the middle, dispel cold, and relieve cold-induced stomach pain. They may even appear together in certain formulas or medicinal diets.

2. Core Differences

  • Nature and Potency: Gan Jiang has a very strong, ascending, and penetrating heat. Gao Liang Jiang is also hot, but its warming power is milder by comparison.
  • Clinical Focus: Gan Jiang excels at restoring collapsed Yang in critical conditions. Gao Liang Jiang is more of a specialist for simple stomach cold and pain.
  • Target Symptoms: Use Gan Jiang when stomach cold is accompanied by signs of systemic Yang exhaustion (like overall freezing sensations). Use Gao Liang Jiang for straightforward, uncomplicated stomach cold/pain.
  • Contraindications: Both should be avoided if you have internal heat, but because Gan Jiang is stronger, it poses a higher risk if used incorrectly.

3. One-Sentence Summary

Gan Jiang is a powerful, deep-warming herb capable of rescuing exhausted Yang, whereas Gao Liang Jiang is a milder, more focused herb specifically for soothing a cold, painful stomach.

Gan Jiang Dried Ginger

Classical Formulas Containing Gan Jiang

+8 more

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. Home Recipes and Teas

  • Gan Jiang and Red Date Tea:
    • Ingredients: 3g Gan Jiang (Dried Ginger), 5 red dates.
    • Method: Wash the ingredients, place them in a cup, and steep with boiling water for about 10 minutes.
    • Best for: Individuals with weak/cold digestion and chronically cold hands and feet.
    • Frequency: 2 to 3 times a week.
    • Note: Avoid if you have "Yin deficiency with excessive fire" (dryness, hot flashes). Remember that medicinal dried ginger is stronger than fresh culinary ginger; do not overconsume.

2. Decoction and Processing Differences

  • Forms: Raw Gan Jiang is best for warming the middle and dispelling cold. Pao Jiang (Roasted Ginger) is processed to be warmer but less harsh, focusing on warming the meridians to stop bleeding and relieve pain. Jiang Tan (Ginger Charcoal) is specifically charred to maximize its bleeding-stopping effects.
  • Home Brewing: It does not require special preparation and can be boiled alongside other herbs. Soak the herbs in water, then simmer on low heat.

3. Usage and Dosage

  • Standard Dosage: Clinical doses generally range from 3 to 10 grams. Dietary doses should be much smaller.
  • Usage Cycle: It is not recommended for long-term, continuous daily use, as its intense heat can easily consume the body's Yin (fluids/cooling energy).
Gan Jiang Dried Ginger

Contraindications & Safety Warnings

1. Inappropriate Populations

  • Avoid: Anyone with "Yin deficiency internal heat" or "excess heat" conditions (fever, intense thirst, night sweats, dark urine) must avoid it.
  • Special Care: Pregnant or nursing women should use it with extreme caution. Children and the elderly should consult a doctor before use.
  • Medical Conditions: Those with liver or kidney dysfunction should only use it under medical supervision. Avoid if allergic to the ginger plant family.

2. Herb-Drug Interactions and Dietary Notes

  • Medication Conflicts: Gan Jiang may interact with or amplify the effects of blood thinners (anticoagulants), blood pressure medications, blood sugar medications, and sedatives. Always consult your doctor or pharmacist if you are on prescription drugs.
  • Dietary Myths: While TCM avoids combining certain medicinal herbs, there is no solid scientific evidence for everyday "food combining" dangers.

3. Adverse Reactions and Overdose Risks

  • Overdose Symptoms: Taking too much can cause "heating" side effects like a dry mouth, sore throat, or constipation.
  • Emergency Action: If you experience severe discomfort, allergic reactions, persistent vomiting, difficulty breathing, or rapid worsening of symptoms, stop using the herb immediately and seek medical attention.

Frequently Asked Questions About Gan Jiang

What is Gan Jiang? Is it the same as Sheng Jiang, Pao Jiang or Jiang Tan?
Official Gan Jiang (干姜) is the dried rhizome of Zingiber officinale. The pharmacopoeial name is Zingiberis Rhizoma. Sheng Jiang is the fresh rhizome of the same plant—acrid and slightly warm, better to release the exterior and stop vomiting. Pao Jiang is sand-scorched dried ginger, a separate monograph that leans to warming the channels and stopping bleeding. Jiang Tan is charred until black: it stays rather than moves and astringes bleeding more. Do not swap them; kitchen fresh ginger is not the decoction slice.
What are the TCM properties and traditional uses of Gan Jiang?
According to the Chinese Pharmacopoeia, Gan Jiang is acrid and hot, enters the Spleen, Stomach, Kidney, Heart and Lung channels, and acts to warm the middle and disperse Cold, restore devastated Yang and unblock the vessels, and warm the Lung to transform thin mucus. It is used for cold abdominal pain, vomiting and diarrhea, icy limbs with a faint pulse, and cold-fluid wheezing. Acrid-hot and drying, it mainly holds interior Cold—unlike fresh ginger, which mainly disperses.
How should dried, fresh and blast-fried ginger be chosen?
Fresh ginger moves both exterior and interior: wind-cold, Stomach-cold vomiting and fish-crab toxin favor it. Dried ginger is fierce and holding: sunk middle Cold, Yang-deficient icy limbs and a faint pulse, and cold-fluid cough use Gan Jiang. Pao Jiang warms without the same ferocity: deficient-cold abdominal pain and diarrhea, and Yang-deficient bleeding use it. Name the specification; do not write only “Jiang.”
What is the usual dosage? Can it be eaten long-term as a spice?
The pharmacopoeial decoction dose is 3–10 g; it may also enter pills and powders. Topically a suitable amount as a wash or paste. It is dual-use food and medicine in small culinary amounts, but a decoction dose is not a kitchen pinch. Yin-deficiency heat and dry stool flare with more of it. It is not a daily high-dose “warming snack” tea.
What are the contraindications? Can it be used in pregnancy?
Avoid in Yin-deficiency interior heat and reckless Blood-heat bleeding. Acrid-hot dryness can assist fire, injure Yin and worsen heat-type bleeding. Pregnancy that is not a deficient-cold pattern should not take a large single-herb dose; a practitioner must differentiate. Use caution in hypertension, active ulcer, sore throat and mouth sores. Stop if thirst, vexation or bright-red bleeding appears.
Can Gan Jiang warm the Stomach, stop diarrhea, restore Yang and stop cough?
It can help. Cold abdominal pain and watery vomiting or diarrhea join ginseng and Atractylodes in Li Zhong Tang. Icy limbs and a faint pulse join aconite and licorice in Si Ni Tang. Cold-fluid wheezing joins Asarum and Schisandra in Xiao Qing Long Tang. It warms interior Cold—not every pain and every cough. Acute abdomen, shock and an asthma attack are emergencies.
Can Gan Jiang be steeped daily to dispel cold and warm the uterus?
Not as a four-season womb-warming tea. Heat already inside, a heavy bright-red period, bitter mouth and dry throat only grow drier with more warmth. “Palace cold” still needs a vacuity-excess read. Long high doses consume Yin, assist fire and worsen constipation and sores. Scanty dark menses with aversion to cold may be a short prescribed course—not a long self-load.
How do you choose among Gan Jiang, Gao Liang Jiang, Rou Gui, Fu Zi and Wu Zhu Yu?
Dried ginger is acrid-hot: warms the middle, restores Yang and transforms Lung cold-fluid—first for middle Cold-damp. Galangal leans to warming the Stomach and stopping cold pain. Cinnamon bark is acrid-sweet and very hot: supplements fire, assists Yang and warms the vessels. Aconite is very hot and toxic: strongest to rescue devastated Yang. Evodia is bitter-acrid and hot: soothes and warms the Liver and directs counterflow down. Middle-cold vomiting and diarrhea favor dried ginger; vertex cold pain favors Evodia; collapse of Yang favors aconite. They may be paired; all heat patterns forbid them.
Which herbs is Gan Jiang combined with? What are the representative formulas?
Spleen-Stomach deficient cold joins ginseng, Atractylodes and honey-fried licorice in Li Zhong Tang. Devastated Yang with icy limbs joins aconite and honey-fried licorice in Si Ni Tang. Exterior cold with interior thin mucus joins Ephedra, Asarum and Schisandra in Xiao Qing Long Tang. Deficient-cold bleeding switches to Pao Jiang or the charcoal. Name Gan Jiang, Pao Jiang or fresh ginger.
How do you choose and store Gan Jiang?
Choose firm pieces with a powdery white or pale-yellow section, few fibers, and a strong fragrant acrid smell. Pao Jiang is puffed, brown-black on the surface and light. Store sealed, cool and dry; aroma fades. Discard moldy, hollow, unscented lots. Buy labeled Gan Jiang or Pao Jiang slices, not kitchen chips or ginger candy sold as the pharmacopoeial drug.

Related Products

Nong's Da Jian Zhong Tang Extract GranulesNong's Da Jian Zhong Tang (Major Construct the Middle Decoction) 5:1 Concentrated Granules $79.07 Hoi Tin Fu Zi Li Zhong Tang Extract GranulesHoi Tin Fu Zi Li Zhong Tang (Aconite Decoction to Regulate the Middle) 5:1 Concentrated Granules $30.50 Nong's Fu Zi Li Zhong Tang Extract GranulesNong's Fu Zi Li Zhong Tang (Aconite Decoction to Regulate the Middle) 5:1 Concentrated Granules $80.14 Han's Fu Zi Li Zhong Tang (Warming the Middle & Supplementing the Qi Decoction) 5:1 Concentrated GranulesHan's Fu Zi Li Zhong Tang (Warming the Middle & Supplementing the Qi Decoction) 5:1 Concentrated Granules $84.16 Hoi Tin Si Ni Tang Extract GranulesHoi Tin Si Ni Tang (Frigid Extremities Decoction) 5:1 Concentrated Granules $24.93 Nong's Si Ni Tang Extract GranulesNong's Si Ni Tang (Frigid Extremities Decoction) 5:1 Concentrated Granules $54.46 Han's Si Ni Tang (Four Rebellious Decoction) 5:1 Concentrated GranulesHan's Si Ni Tang (Four Rebellious Decoction) 5:1 Concentrated Granules $57.19 Hoi Tin Shao Fu Zhu Yu Tang GranulesHoi Tin Shao Fu Zhu Yu Tang (Drive Out Blood Stasis in the Lower Abdomen Decoction) 5:1 Concentrated Granules $27.71

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.

More Chinese Herbs

View all 

View all 

© 2026 HJMEDICAL, Powered by Shopify

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Mastercard
  • MB WAY
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Login

Forgot your password?

Don't have an account yet?
Create account

Gan Jiang (Dried Ginger): Warm the Middle, Restore Yang, and Transform Cold Fluids