OthersPhlegm-resolvingCastaneae Mollissimae Cupula

Ban Li Ke (Chinese Chestnut Bur)

A practical guide to Ban Li Ke: 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 29, 2026

Quick Facts

Latin Name	Castaneae Mollissimae Cupula
Chinese Name & Pinyin	板栗殼 · Ban Li Ke
Medicinal Part	Others
The item	Ban Li Ke is the dried spiny involucre and hard shell of Castanea mollissima, used raw or dry-fried. It is decocted first because it is hard.
Nature and channels	Sweet, astringent, neutral. Enters the Spleen and Stomach. It astrings, disperses, and mildly clears, without being heating or cooling.
Pharmacopoeia line	Astringes to stop bleeding and disperses nodules to reduce swelling. Used for minor nosebleed, gum bleeding, soft surface swellings, and mild post-traumatic swelling.
Pattern cues	Pale scant bleeding with a weak stomach. Soft, cool, non-tender lumps. Autumn chestnut season with a dry nose and mild gum bleed.
In this article	Ban Li Ke versus Jin Ying Zi. Surface dispersing versus lower-jiao astringing. Why it is decocted first. Why heat-toxin is a poor match. Why pregnancy is a caution. Who should skip it.

What Is Ban Li Ke?

Ban Li Ke (板栗壳; Bǎn Lì Ké; Latin: Castaneae Mollissimae Involucrum; English: chestnut shell and husk) in the current pharmacopoeia is the dried spiny involucre and hard shell of Castanea mollissima, gathered after the chestnuts ripen and the burs split in autumn, cleaned and sun-dried, and used raw or dry-fried. It is sweet, astringent, and neutral, enters the Spleen and Stomach channels, and its core actions are to astringe and stop bleeding, and to disperse nodules and reduce swelling. Being hard, it is decocted first for fifteen to twenty minutes before the other herbs go in. The usual amount is 6–12 g. Broken shell with red date also makes a light seasonal tea for minor autumn dryness.

It is not Jin Ying Zi. Jin Ying Zi is sour, astringent, and neutral, and it strongly astringes the lower jiao for leaking essence, frequent urine, and long diarrhea; Ban Li Ke sits in the middle jiao and on the surface, dispersing soft nodules and easing minor bleeding. Interior heat-toxin, with mouth sores, bound stools, and bright-red heavy bleeding, is a poor match. Use caution in pregnancy. Heavy, repeated, or unexplained bleeding, and a hard red-hot swelling, need a clinic first.

It is used most often for three patterns:

Minor pale bleeding from a weak middle: occasional nosebleed or gum bleeding
Soft, non-inflamed surface nodules: mild swollen lymph nodes, early sores
Local swelling after a knock, with unbroken skin

Sweet and astringent, it is not a daily “shell tea” to keep brewing. Astringing when there is no leakage, in a body with heat-toxin inside, traps the pathogen and blocks the middle.

When the middle jiao fails to hold, pale scant nosebleed or gum bleeding arrives with post-meal bloating and loose stool; when qi stagnation and phlegm-dampness congeal on the surface, soft nodules and mild swelling follow. Ban Li Ke is sweet, astringent, and neutral. It astrings the bleeding and disperses the congealed mass, which is why it appears in Li Ke San (Chestnut Shell Powder)–type formulas with other astringent-bleeding herbs, and in Li Ci San (Chestnut Burr Powder)–type formulas with heat-clearing and blood-moving herbs. It holds gently and clears at the same time, so the middle is never clogged. Interior heat-toxin, with no leakage, gets worse if more is added.

Ban Li Ke is not a catch-all bleeding or lump herb. In interior heat-toxin, with bright bleeding and red-hot swellings, or in pregnancy without guidance, using it alone is a poor match. Raw husk or a paired formula, and whether it belongs in a prescription, should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Ban Li Ke: Materia Medica Profile

Identification & Quality Standard

Castaneae Mollissimae Cupula

Botanical Origin

The dried involucre (bur) of Castanea mollissima Bl. (Fagaceae).

Production Regions

Produced in most regions of China south of Liaoning.

Quality Requirements

Superior material is thick, dry and with dense prickles.

Macroscopic Features

Irregular plate-like pieces, 0.3~0.5 cm thick; externally yellowish-brown to dark brown, densely covered with dense prickles 0.5~1.5 cm long; inner surface grayish-brown, with dense yellowish-brown woolly hairs; base with 2~3 round scars left by fallen nuts; texture hard; fractured granular, dark brownish; slight odor; astringent taste.

Main Regions and Quality Identification

Traditional materia medica and industry experience value certain producing regions — such as the main chestnut areas of Hebei, Shandong, and Henan — where the Ban Li Ke produced accumulates its effective constituents relatively steadily thanks to the local climate and growing conditions; but actual quality also depends on variety, harvest time, processing, and storage. In appearance, good-quality Ban Li Ke is brownish, dry and hard; the spines of the spiny husk are intact and not easily detached; it smells of a faint nutty aroma, without mold or insect damage. The difference between the raw and the processed: the raw has more obvious surface spines and a harder texture; the processed, after stir-frying, is darker in color, crisper in texture, and easy to crush. The common look-alike is the chinquapin shell (Zhui Li Ke) — the chinquapin's involucre and hard shell are more pointed and slender, clearly different from the round structure of Ban Li Ke; observing carefully makes it easy to tell apart.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Sweet, Astringent; NeutralLungLiverStomach

1. Records in Classic Materia Medica

Tang Ben Cao: mentions that Ban Li Ke "mainly treats nosebleed and stops thirst" — meaning it can ease nosebleeding and regulate thirst.
Ben Cao Gang Mu: adds its nodule-dispersing action, saying it can "treat sore toxins and disperse swelling toxins" — helping disperse surface lumps.
De Pei Ben Cao: also mentions it can "treat anti-stomach (regurgitation)," relating to the spleen-stomach transport function.

These records are all based on the clinical observation of their time, without directly corresponding to specific conclusions of modern medicine.

2. How Views of Its Nature Changed

Views among physicians differ somewhat. Some stress its astringent, bleeding-stopping action, often used for minor bleeding problems; some value its nodule-dispersing, swelling-reducing action, used for surface lump regulation; some stress its scope — holding that it fits more those with a somewhat deficient spleen and stomach with dampness stagnation, while those with an overly dry-heat spleen and stomach should not use it long-term. This difference also makes its application scenes more flexible, avoiding the misconception of treating it as a universal medicine.

Core Efficacies & Traditional Applications

Traditional Functions

Stops cough, resolves phlegm, and resolves toxin (anti-inflammatory).

1. First Direction: Astringing to Stop Bleeding

Traditional action: astringe to stop bleeding — easing various minor bleeding problems through astringency, such as nosebleeds, gum bleeding, and slight bleeding from minor skin abrasions.
Typical signs: bleeding that is pale in color and scanty in amount, with spleen-stomach deficiency — such as easy post-meal bloating and loose stool — without obvious "shang huo" or heat-toxin signs.
Usual combinations: often paired with herbs that assist hemostasis or regulate the spleen and stomach — such as Xian He Cao to strengthen the bleeding-stopping action, and Bai Zhu to attend to the spleen-stomach transport.
Who should not self-use: if the bleeding is heavy and bright red with obvious "shang huo" signs — such as mouth sores and dry, bound stool — do not self-use; consult a physician first.

2. Second Direction: Dispersing Nodules and Reducing Swelling

Traditional action: disperse surface lumps and sore toxins — such as mild lymph node swelling, early-stage surface sores, and local swelling and pain after a fall or injury (without skin breakage).
Typical signs: the lump or swollen area is relatively soft in texture, without obvious red, swollen, hot, or painful signs — belonging to phlegm-dampness or qi-stagnation congealing.
Usual combinations: often paired with the qi-regulating, phlegm-resolving herbs — such as Chen Pi to regulate the qi movement, and Zhe Bei Mu to strengthen the nodule-dispersing action.
Who should not self-use: if the lump is hard with obvious red, swollen, hot, and painful signs — belonging to blazing heat-toxin — do not self-use; consult a physician first.

3. Classic Pairing: Ban Li Ke With Chen Pi

The common pair is Ban Li Ke with Chen Pi. Ban Li Ke excels at dispersing nodules, reducing swelling, and astringing to stop bleeding; Chen Pi excels at regulating qi, strengthening the spleen, drying dampness, and resolving phlegm. Combined, the two strengthen the regulation of qi-stagnation and phlegm-dampness congealing — helping disperse small surface lumps while attending to the spleen-stomach transport, so the congealed phlegm-dampness does not form again. This pair fits those of a somewhat deficient spleen and stomach with qi-stagnation phlegm-dampness — such as easy stomach bloating with mild lymph node swelling at the neck — but it needs the physician's pattern diagnosis; do not pair blindly on your own.

Modern Research

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

1. Main Chemical Constituents

The constituents detected in the plant include flavonoids, polyphenols, triterpenoids, polysaccharides, and some volatile oils and minerals. In in vitro experiments, these constituents show a certain antioxidant activity and can scavenge some free radicals; in animal experiments, the Ban Li Ke extract has a certain hemostatic action, shortening the bleeding time of mice. Currently, no sufficient human clinical research has produced a clear efficacy conclusion.

2. Current Research Directions

Current research mainly focuses on two directions: one is the exploration of its antioxidant activity, and the other is the preliminary verification of its hemostatic and nodule-dispersing actions. In experiments, the Ban Li Ke extract can inhibit the growth of some bacteria in vitro — which also relates to the traditional record of "dispersing sore toxins." But such studies are mostly carried out in the laboratory — they cannot be directly equated with the effect after human use.

3. Limitations of Current Research

Lab results are not clinical efficacy — the constituent actions observed in the laboratory may change through digestion, absorption, and metabolism after human use, and may not produce the same effect.
Extracts and monomers are not the same as traditional decoction pieces — modern research often uses high-concentration extracts or single constituents, while the daily-medicinal Ban Li Ke slices are processed and combined — the dose and form differ completely.
Doses and preparation methods vary between studies — some studies use pure extracts, some water decoctions — the results differ greatly and cannot be judged uniformly.
A single component does not define the whole herb — Ban Li Ke's action is the result of many constituents working together; the activity of a single constituent cannot represent the whole herb's overall effect.

Comparing Similar Herbs

1. What They Share

Choosing Jin Ying Zi as the similar herb, the two share these points:

Both have the astringent, securing action — both can be used for minor problems related to "sliding-off" (loss of retention).
Both may appear in similar food-therapy scenes — such as wellness formulas regulating a somewhat deficient spleen and stomach.
Both need constitution and dose considered — long-term overuse is not allowed.

2. The Key Differences: Ban Li Ke vs. Jin Ying Zi

Nature and flavors: Ban Li Ke is neutral with sweet and astringent flavors — mild in action, neither over-astringent nor dispersing; Jin Ying Zi is neutral with sour and astringent flavors — stronger in astringency, leaning to secure the lower jiao.
Focus: Ban Li Ke's core strength is dispersing nodules and reducing swelling, with astringent bleeding-stopping as support — mainly acting on the body surface and middle-jiao spleen and stomach; Jin Ying Zi's core strength is securing essence, reducing urination, and astringing the intestines to stop diarrhea — mainly acting on the lower-jiao kidney and large intestine.
Qi tendency: Ban Li Ke's astringency leans to the middle jiao, carrying a certain clear-drain action — without causing qi-movement blockage; Jin Ying Zi's astringency leans to the lower jiao, stronger in astringency — long-term use alone may cause qi-movement blockage.
Best fit: Ban Li Ke fits surface lumps, minor bleeding, and qi-stagnation phlegm-dampness congealing with a somewhat deficient spleen and stomach; Jin Ying Zi fits the lower-jiao sliding-off conditions — seminal emission, spermatorrhea, frequent urination, and chronic unceasing diarrhea.
Not suitable: Ban Li Ke is not for those with obvious internal heat-toxin or heavy bleeding; Jin Ying Zi is not for those with internal excess-heat or external-contraction fever.
Use scenes: Ban Li Ke appears more often in surface-regulating formulas or daily food-therapy formulas; Jin Ying Zi appears more often in lower-jiao sliding-off formulas or as an aid for chronic diarrhea regulation.

3. One-Sentence Summary

Simply put, Ban Li Ke leans toward regulating surface lumps and minor bleeding while attending to the spleen-stomach transport, whereas Jin Ying Zi leans toward securing the sliding-off problems of the lower jiao. Both can be used for astringent securing, but they are not interchangeable.

Classical Formulas Containing Ban Li Ke

Classic Formula 1: Li Ke San (Chestnut-Shell Powder)

Combination logic: In this formula, Ban Li Ke is the lord, exerting the core astringent bleeding-stopping action; the hemostasis-assisting herbs Ce Bai Ye and Zong Lü Tan are combined to strengthen the bleeding-stopping effect; a small amount of Chen Pi is added to attend to the spleen-stomach transport, avoiding the astringent hemostatics over-restricting the spleen-stomach function. It mainly solves the bleeding problems of insecure middle-jiao spleen and stomach — such as gum bleeding and bloody stool. Using Ban Li Ke alone is not advised, because a single herb's action is limited and needs the synergy of several herbs.

Traditional use: traditionally used to regulate various minor bleeding problems of insecure middle jiao — such as nosebleeds, gum bleeding, and bloody stool.

Modern note: modern clinical use requires the doctor's pattern diagnosis and standard care — do not self-apply just because the formula name relates to a certain disease; the medication must be adjusted to the specific pattern and body condition.

Classic Formula 2: Li Ci San (Chestnut-Spine Powder)

Combination logic: In this formula, Ban Li Ke (the spiny involucre) is a minister, assisting the lord's nodule-dispersing, swelling-reducing action; the heat-clearing, toxin-resolving herbs Jin Yin Hua and Pu Gong Ying are combined to ease the redness and swelling of surface sore toxins; Dang Gui is also added to regulate qi and blood, helping disperse the lumps. It mainly solves the surface sore toxins or lumps of qi-stagnation phlegm-dampness congealing. Using Ban Li Ke alone is not advised, because dispersing nodules needs the synergy of qi-regulating, heat-clearing, and blood-activating herbs.

Traditional use: traditionally used to regulate mild surface sore toxins, lymph node swelling, and local swelling and pain after a fall or injury.

Modern note: modern clinical use requires the doctor's pattern diagnosis and standard care — do not judge the applicable disease from the formula name alone; the medication must be adjusted to the body's specific pattern.

Formulas vs. Single Herbs

A formula is the joint action of many herbs — strengthening the effect and reducing side effects through combination. A single herb cannot simply replicate a full formula's effect, because the doses and combinations in a formula are holistic, and the interactions of different herbs cannot be achieved by a single herb. The common misunderstanding: a herb that works in a formula does not mean taking it alone produces the same effect — a formula is the synergy of many constituents, while a single herb's dose and constituents are limited and cannot replace the formula's overall action. Do not build formulas from online articles.

Diet & Daily Home Use

1. Home Tea and Recipes

Recipe 1 — Ban Li Ke Hong Zao Cha (Chestnut-Shell and Red Date Tea): Ban Li Ke 10 g, Hong Zao 3 pieces. Wash and crush the Ban Li Ke, pit the Hong Zao, put both into a teapot, add proper boiling water, cover 10 minutes, and drink. Suited to the autumn-winter regulation of a somewhat deficient spleen and stomach with mild nosebleeds or gum bleeding, or mild lymph node swelling at the neck. Not for those with obvious internal fire signs or dry, bound stool. Suggested: 2–3 times a week; do not drink frequently. A reminder: Ban Li Ke is a medicinal slice — do not treat it as an ordinary food in large amounts; watch the dose.

Recipe 2 — Ban Li Ke Dun Shou Rou (Chestnut-Shell Stewed Lean Meat): Ban Li Ke 15 g, lean meat 50 g. Wash the Ban Li Ke, slice the lean meat, put both into a stewing cup, add proper clean water, double-boil for 1 hour, and season with a little salt. Suited to the autumn-winter regulation of those with a somewhat deficient spleen and stomach with qi-stagnation phlegm-dampness — such as easy post-meal bloating and mild surface lumps. Not for those with obvious internal heat-toxin or external-contraction fever. Suggested: once every 2 weeks; do not eat long-term continuously.

2. Decoction and Processing Differences

The difference between the raw and the processed: the raw has a stronger astringent action — mostly used for stopping bleeding; the processed, after stir-frying, is crisper and easy to crush, with a gentler nodule-dispersing action — more fitting for daily regulation. At home, Ban Li Ke is a hard-textured herb and needs pre-boiling (xian jian) — first put the Ban Li Ke into the pot, add proper clean water, boil 15–20 minutes, then add the other materials or steep and drink. Different forms cannot be converted directly — the medicinal slice dose and the food-therapy dose differ; do not replace the medicinal dose with the food-therapy dose, nor use the medicinal dose directly for food therapy.

3. Dosage and Course

The common dose in traditional prescriptions is 6–12 g, adjusted according to the different actions and combinations; the food-therapy dose is 10–15 g — gentler. Long-term continuous use is not advised — the general regulation course is no more than 2 weeks; if the symptoms do not ease, consult a physician. Special groups — such as pregnant women, children, and the elderly — should consult a physician or pharmacist before use, adjusting the dose and use method to their constitution.

Contraindications & Safety Warnings

1. Who Should Avoid It

Specific constitutions or traditional patterns: those with obvious internal heat-toxin or fire signs (mouth sores, dry, bound stool, scanty dark urine) should not use it; those with an overly dry-heat spleen and stomach — often bitter mouth and bad breath — should also not self-use.
Pregnancy and breastfeeding — special constitution; currently no sufficient safety basis — do not self-use.
Children and the elderly — relatively weaker liver and kidney function — consult a physician and adjust the dose.
Liver or kidney impairment — weaker metabolism — do not self-use such herbs.
Allergy to related plants — such as those allergic to Fagaceae plants (chestnut, chinquapin) — do not use Ban Li Ke.
Those in special treatment — such as those taking other medications — consult a physician first, to avoid interactions.

2. Interactions and Diet Notes

There is no sufficient evidence of a general "food clash" between ordinary foods, but certain herbs can interact with specific drugs — those on medication should consult a doctor or pharmacist first. Ban Li Ke's astringent action may affect the absorption of anticoagulants — if taking an anticoagulant (such as warfarin), consult a physician before use; its gentle regulating action does not obviously affect blood-pressure or glucose-lowering medications, but long-term use still requires monitoring your body condition. While using it, avoid eating overly spicy and greasy food at the same time, to avoid affecting the spleen-stomach transport and reducing the herb's regulating effect.

3. Adverse Reactions and Overdose Risk

Overdose of Ban Li Ke may block the spleen-stomach transport, causing bloating, indigestion, and difficult bowel movements. If marked discomfort, allergy signs (such as rash, itching, or breathing difficulty), persistent vomiting, altered consciousness, or rapidly worsening symptoms appear, stop at once and seek medical care — do not delay.

Frequently Asked Questions About Ban Li Ke

What is Banlike? Is it the same as Banli or Wubeizi?

Banlike is the dried cupule of Castanea mollissima, Latin name Castaneae Mollissimae Involucrum. It is a common Chinese medicine centered on stopping cough and transforming phlegm, clearing heat and dispersing nodules, and stopping bleeding. Banli benefits qi and strengthens the spleen while tonifying the kidney. Wubeizi astringes the lung and stops sweating. They cannot be used interchangeably in equal amounts. Prescribe as Banlike. Caution in spleen-stomach deficiency cold.

What are the composition and effects of Banlike?

Pharmacopoeial name Banlike, Latin Castanea mollissima Blume. Sweet and astringent in taste, neutral in nature, enters the Lung and Stomach meridians. Functions to stop cough, transform phlegm, clear heat and disperse nodules, and stop bleeding. Used for chronic bronchitis, cough with profuse phlegm, whooping cough, lymphadenitis, mumps, epistaxis and bloody stools. Stops cough and disperses nodules.

How to choose between raw and processed? Can Banli replace it?

Cupule is used raw or charred. Banli emphasizes tonifying the kidney rather than strongly stopping cough, and cannot replace it in equal amounts. Commercial products are standardized; do not adjust arbitrarily.

What is the dosage of Banlike? Can it be used daily as a cough-stopping tea?

Decoction, 9-15g. Modern use requires physician-determined dosage. It is not a year-round "Banlike tea." Spleen-stomach deficiency cold will be further injured by prolonged use. Cough requires short-term, physician-determined dosage and cannot replace evaluation.

What are the contraindications of Banlike? Can pregnant women use it?

Not suitable for spleen-stomach deficiency cold. Pregnant women require physician evaluation. Stop if loose stools or abdominal pain occur. Seek immediate medical care for severe cough or high fever.

Can Banlike stop cough, transform phlegm, and stop bleeding?

It can assist chronic bronchitis, cough with profuse phlegm, whooping cough, lymphadenitis, mumps, epistaxis and bloody stools. It stops cough and transforms phlegm, clears heat and disperses nodules, and stops bleeding, but is not a specific remedy for all cough or all bleeding.

Can Banlike be taken daily as a cough-stopping or nodule-dispersing tea?

Phlegm-heat cough can be used short-term in formulas; spleen-stomach deficiency cold will be further injured. The idea that "Banlike must stop cough" cannot replace evaluation. Stopping cough and dispersing nodules requires physician-determined formulation and dosage.

How to choose between Banlike, Banli, Wubeizi, Chuanbeimu, and Cebaiye?

Banlike stops cough and transforms phlegm while dispersing nodules, suited to chronic cough. Banli benefits qi and tonifies the kidney. Wubeizi astringes the lung and stops sweating. Chuanbeimu clears heat and transforms phlegm. Cebaiye cools the blood and stops bleeding. Choose Banlike for stopping cough; Banli for tonifying the kidney; Wubeizi for stopping sweating; Chuanbeimu for transforming phlegm; Cebaiye for stopping bleeding. Pattern differentiation applies, but large doses of Banlike are contraindicated in spleen-stomach deficiency cold.

How is Banlike commonly modified? What is a representative usage?

Modifications depend on the pattern. Add Chuanbeimu for cough; add Cebaiye for bleeding. Specify Banlike; do not substitute Banli in equal amounts for stopping cough.

How to select and store Banlike?

Choose regular Chinese medicinal materials with intact cupules. Discard if moldy, damp, or abnormal in odor. Store in a dry place. Purchase "Banlike"; do not substitute Banli or Wubeizi in equal amounts for stopping cough, transforming phlegm, and stopping bleeding.

Related Products

Nong's Ban Li Ke (Chestnut Shell) Single Herb 5:1 Concentrated Granules $56.99

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.