Digestive Formulas

保和丸 · Bǎo Hé Wán

Bao He Wan

A classic digestive formula for food stagnation with epigastric distension, acid regurgitation, belching and poor appetite. It gently promotes digestion while transforming dampness and mildly clearing residual heat.

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Last reviewed August 2026
Formula CategoryDigestive Formulas
Primary PatternFood Stagnation
Primary FunctionPromote digestion, resolve food stagnation
Primary Therapeutic PrinciplePromote digestion, resolve food accumulation, and harmonize the Stomach
Main HerbsHawthorn Fruit · Medicated Leaven · Radish Seed · Pinellia Rhizome · Tangerine Peel · Poria / Hoelen · Forsythia Fruit
Classical SourceDan Xi Xin Fa (Zhu Danxi, Yuan dynasty)

Why This Formula?

Traditionally selected for uncomplicated food stagnation with epigastric fullness, belching of sour fluid and thick greasy tongue coating — a gentle, focused digestive rather than the dampness-centred Ping Wei San or the multi-stagnation approach of Yue Ju Wan.

Traditionally selected for uncomplicated food stagnation with epigastric fullness, belching of sour fluid and thick greasy tongue coating — a gentle, focused digestive rather than the dampness-centred Ping Wei San or the multi-stagnation approach of Yue Ju Wan.

What Is Bao He Wan?

1. Origin of Baohe Pills

Bao He Wan (保和丸), or Preserve Harmony Pill, is a classic Yuan-dynasty Chinese herbal formula from Zhu Danxi’s Dan Xi Xin Fa (Teachings of Dan-Xi). It belongs to the category of formulas that reduce food stagnation and harmonize the Stomach.

This gentle formula is designed for food stagnation in the Middle Jiao caused by overeating, rich or greasy foods, or irregular eating. Typical signs include epigastric and abdominal fullness or distention, sour belching, acid regurgitation, nausea, aversion to food, and a thick greasy tongue coating. By combining Shan Zha (hawthorn) to break down meat and fatty accumulation with Shen Qu, Lai Fu Zi, and supporting herbs that regulate qi, transform dampness, and clear mild heat, Bao He Wan promotes digestion, relieves stagnation, and restores Stomach harmony.

Bao He Wan

2. Digestive System Diseases

Bao He Wan is widely used to treat various issues within the digestive system. If you are struggling with bloating, loss of appetite, nausea, or vomiting caused by indigestion, this formula is highly effective.

  • Post-Meal Relief: For example, if you’ve overindulged in greasy food and feel "stuck," or if you are experiencing acid reflux, taking Bao He Wan can jumpstart your digestion and provide relief.
  • For Children: This is also a common go-to for "infantile food stagnation." If a child has a bloated stomach, bad breath, or doesn’t want to eat, this formula helps adjust their Spleen and Stomach function to clear the blockage.
Bao He Wan

3. Other Related Conditions

Interestingly, Bao He Wan can also help with problems that don't seem like digestive issues at first glance but are actually rooted in food stagnation.

  • "Digestive" Coughs: Sometimes a persistent cough is actually triggered by food sitting too long in the stomach, especially if it’s accompanied by acid reflux or a bloated belly. In these cases, clearing the food stagnation can help stop the cough.
  • Sleep Issues: There is a saying in Chinese medicine that "if the stomach is disharmonized, the sleep will be restless." If food stagnation is making you uncomfortable, it can lead to insomnia or vivid, stressful dreams. By harmonizing the stomach and moving the food along, Bao He Wan can indirectly help you get a much better night’s rest.

Herb Composition (Sovereign / Minister / Assistant / Envoy)

1. Ruler Herb — Shan Zha (Hawthorn)

  • Shan Zha is sour and sweet, with a slightly warming nature. It focuses on the Spleen, Stomach, and Liver.
  • Its Main Job: It is excellent at breaking down "food stagnation," especially the heavy, greasy feeling you get after eating too much meat.
  • How it works: It boosts the activity of stomach enzymes to help digest protein. In Bao He Wan, it acts as the leader (the Ruler) because it directly attacks the core problem of food getting stuck in your digestive system.

2. Minister Herbs — Shen Qu and Mai Ya

These two work as the "deputies" to help the Ruler herb clear out different types of food.

  • Shen Qu (Medicated Leaven): It is warm and pungent, focusing on the Spleen and Stomach. It is great at clearing out "stale" food and issues caused by alcohol. It is naturally full of digestive enzymes that help the body absorb nutrients.
  • Mai Ya (Malt): This herb is sweet and neutral. It is the expert at breaking down starches like rice, noodles, potatoes, and yams. Because it is rich in amylase, it helps turn those heavy carbs into sugar that the body can use.
  • Teamwork: Together, they support Shan Zha to ensure that whether you ate too much meat, carbs, or drank too much, the formula has it covered.

3. Assistant Herbs — Ban Xia and Chen Pi

These herbs help manage the side effects of poor digestion, like nausea and phlegm.

  • Ban Xia (Pinellia): This herb dries out "dampness" and clears phlegm. When food sits in the stomach for too long, it can create "gunk" (phlegm). Ban Xia helps clear this out and keeps things moving downward, which stops you from feeling nauseous or wanting to vomit.
  • Chen Pi (Tangerine Peel): It is pungent and bitter. It helps move your "Qi" (energy) and strengthens the Spleen. By getting the energy flowing, it relieves the bloated, stuck feeling in your chest and stomach. It works perfectly with Ban Xia to settle the stomach.
Bao He Wan

4. Guide Herbs — Fu Ling and Lian Qiao

These herbs help "round out" the formula and prevent new problems from starting.

  • Fu Ling (Poria): It has a mild, sweet quality and helps the body get rid of excess fluid (dampness) through urination. By strengthening the Spleen and draining dampness, it helps your digestion return to a normal, healthy rhythm.
  • Lian Qiao (Forsythia): This herb is slightly cold. When food stays stuck in your stomach for a long time, it can start to "ferment" and create internal heat (like inflammation or a feverish feeling). Lian Qiao clears this heat and prevents the food stagnation from turning into a bigger, "fiery" problem.

Clinical Presentation in TCM

1. Pathogenesis (The Root Cause)

Bao He Wan primarily targets "food stagnation." Here is how that happens:

  • Overindulgence: When you overeat or eat food that is too rich, your body can't keep up.
  • Digestive Blockage: The food essentially gets "stuck" in the stomach. In Chinese medicine, the Spleen and Stomach are the foundation of your energy—they transform food into fuel.
  • System Failure: When food is stuck, it blocks the natural flow of energy (Qi). This messes up the system's "up and down" movement, leading to various digestive problems.

2. Efficacy (How it Works)

Bao He Wan has three main actions: promoting digestion, clearing stagnation, and settling the stomach.

  • Promoting Digestion: It helps physically break down the food that is sitting in your stomach.
  • Removing Stagnation: It gets the "traffic jam" moving again, pushing the stagnant food downward so your Spleen and Stomach can return to their normal jobs.
  • Regulating the Stomach: It harmonizes the stomach's energy (Qi), which helps get rid of that uncomfortable full feeling, nausea, and the urge to vomit.
Bao He Wan

3. Indications (When to Use It)

This formula is perfect for treating a "stuffed" feeling and general indigestion. You might need it if you have:

  • Stomach Fullness and Pain: Your upper stomach feels very tight and bloated. Usually, this pain feels worse if you try to press on it or massage it.
  • "Rotten" Burps: Because the food is stuck and not moving, it starts to ferment. This leads to belching that has a foul, sour, or "rotten" smell.
  • Loss of Appetite: Since your stomach is already full of undigested food, you naturally have no desire to eat anything else.
  • Nausea: A general feeling of being "sick to your stomach" because nothing is moving through your system properly.

The Mechanism in Classical Theory

1. Digestion as the Main Priority

In Bao He Wan, the main goal is to get your digestion moving. The formula uses a "triple threat" of herbs to break down different types of food:

  • Shan Zha (Hawthorn): The specialist for heavy, greasy meat.
  • Shen Qu (Medicated Leaven): The expert for old, fermented food and issues caused by alcohol.
  • Mai Ya (Malt): The go-to for starches like rice, noodles, and potatoes.
  • How they work together: By combining these three, the formula covers all the bases. No matter what you overate, this team works together to clear the "traffic jam" in your stomach.

2. Moving Qi and Clearing Phlegm to Support Digestion

When food sits in the stomach for too long, it doesn't just stay there—it starts to create "gunk" (phlegm) and blocks your body's energy flow (Qi). This is where Ban Xia and Chen Pi come in:

  • Ban Xia (Pinellia): It dries out excess moisture and clears away the phlegm that builds up when digestion stalls.
  • Chen Pi (Tangerine Peel): It helps get your Qi moving again and strengthens the Spleen.
  • How they work together: By clearing out the "gunk" and restarting the energy flow, these herbs help the stomach return to its natural rhythm, making it much easier for the digestive herbs to do their job.
Bao He Wan

3. Supporting the Spleen and Clearing "Stuck" Heat

The final piece of the puzzle is making sure the internal environment stays balanced while the food is being cleared out.

  • Fu Ling (Poria): This herb strengthens the Spleen and helps drain away excess dampness through urination. It acts like a cleanup crew, ensuring the Spleen stays dry and functional.
  • Lian Qiao (Forsythia): When food is stuck and starts to ferment, it creates internal heat (like a low-grade inflammation). Lian Qiao clears this heat before it can turn into "fire" or cause more discomfort.
  • The Big Picture: This formula doesn't just focus on the food itself; it also protects your Spleen and prevents "stagnant heat" from building up, making the treatment both comprehensive and effective.

Clinical Comparison Table

Compare Bao He WanPing Wei SanXiang Sha Liu Jun Zi TangYue Ju Wan
Primary Function Promote digestion, resolve food stagnationDry Damp, strengthen Spleen, move QiTonify Spleen Qi, resolve phlegm-damp, move QiRegulate Qi, resolve stagnation of the Six Constraints
Formula Category Digestive FormulasDampness-Draining FormulasQi-Tonifying FormulasQi-Regulating Formulas
Typical TCM Pattern Food StagnationDampnessSpleen Qi DeficiencyQi Stagnation
Main Conditions Indigestion, Bloating, Poor Appetite, Stomach Discomfort, Acid Reflux, DiarrheaBloating, Poor Appetite, Stomach Discomfort, Diarrhea, Damp ConstitutionPoor Appetite, Bloating, Diarrhea, Stomach Discomfort, Indigestion, Spleen Qi DeficiencyChest Tightness, Bloating, Emotional Depression, Poor Appetite, Indigestion
Main Herbs Hawthorn Fruit · Medicated Leaven · Radish Seed · Pinellia Rhizome · Tangerine Peel · Poria / Hoelen · Forsythia FruitAtractylodes Rhizome · Magnolia Bark · Tangerine Peel · Fresh Ginger · Jujube / Chinese Date · Honey-fried LicoriceGinseng Root · White Atractylodes Rhizome · Poria / Hoelen · Tangerine Peel · Pinellia Rhizome · Aucklandia / Costus Root · Amomum Fruit · Honey-fried LicoriceCyperus Rhizome · Atractylodes Rhizome · Chuanxiong Rhizome · Medicated Leaven · Gardenia Fruit
Classical Source Dan Xi Xin Fa (Zhu Danxi, Yuan dynasty)Tai Ping Hui Min He Ji Ju Fang (Song dynasty)Gu Jin Ming Yi Fang Lun (citing Ke Yunbo, Qing dynasty, ~1675)Dan Xi Xin Fa (Teachings of Zhu Danxi, Yuan dynasty)

How to tell them apart

Bao He Wan is the representative mild formula for food stagnation. Ping Wei San focuses more on dampness and turbidity in the Middle Jiao. Xiang Sha Liu Jun Zi Tang addresses Spleen Qi deficiency with Qi stagnation. Yue Ju Wan addresses the broader Six Stagnations.

For educational reference only, based on traditional pattern differentiation — not a substitute for professional advice.

Clinical Modifications for Bao He Wan

1. Severe Food Accumulation

If the food stagnation is particularly heavy and you are experiencing significant bloating or sharp pain in the stomach, we can add herbs that "break up" the blockage more forcefully.

  • Herbs to add: Hou Po (Magnolia Bark) and Zhi Shi (Immature Bitter Orange).
  • How they work: Hou Po is excellent at relieving that "stuffed" feeling and moving energy downward. Zhi Shi is even stronger—it physically helps break through the food accumulation and clears out the heavy, stuffed sensation in the chest and abdomen.
  • The Result: Together with the original formula, these herbs make it much easier to relieve intense pressure and pain.

2. When the Spleen is Weak

If you have indigestion but also feel chronically exhausted, look pale (sallow), or feel physically weak, it means your "digestive engine" (the Spleen) is struggling.

  • Herbs to add: Bai Zhu (Atractylodes Rhizome) and Dang Shen (Codonopsis Root).
  • How they work: Bai Zhu is a classic Spleen-strengthener that helps dry out excess dampness. Dang Shen is a gentle energy (Qi) booster that nourishes the Spleen and Lungs.
  • The Result: By adding these, the formula doesn't just clear out the old food; it also gives your body the energy it needs to process future meals more effectively.
Bao He Wan

3. If Food Stagnation Turns Into "Heat"

When food sits in the stomach for too long, it can "ferment," creating internal heat. Signs of this include a bitter taste in your mouth, very bad breath, or a thick, yellow, greasy coating on your tongue.

  • Herbs to add: Huang Lian (Coptis Rhizome) and Huang Qin (Scutellaria / Baikal Skullcap).
  • How they work: Both herbs are bitter and cold. Huang Lian is very powerful at clearing fire from the Stomach and Heart, while Huang Qin clears heat and dries dampness throughout the digestive tract.
  • The Result: These herbs act like a "coolant" for your system, putting out the internal fire caused by the stagnant food and making the treatment more balanced.

What the Science Suggests

1. Pharmacological Study

Modern scientific research has shown that Bao He Wan works by getting the digestive system moving and improving how the body handles food.

  • Moving the Gut: The main ingredients—Shan Zha, Shen Qu, and Mai Ya—help promote "peristalsis," which is the natural wave-like movement that pushes food through your intestines.
  • Boosting Digestive Juices: The formula encourages the body to secrete more digestive juices and enzymes, making it easier to break down meals.
  • Hormonal Balance: It also helps regulate important gastrointestinal hormones (like gastrin and motilin) that tell your stomach when to move and how to digest efficiently.

2. Clinical Efficacy Verification

Clinical studies have confirmed that Bao He Wan is very effective for treating general indigestion and food stagnation, especially in children.

  • Proven Relief: Multiple studies show that it significantly improves that "overstuffed" feeling in the upper stomach, as well as loss of appetite, nausea, and vomiting.
  • Safety: It is considered very safe with high success rates in clinical settings.
  • Help for Kids: For children struggling with a bloated belly or a lack of interest in food, this formula helps clear the blockage and supports their healthy growth and development.
Bao He Wan

3. Dosage Form Improvement

Thanks to modern technology, you no longer have to rely solely on traditional large pills. The formula has been updated to fit a modern lifestyle:

  • New Formats: In addition to the classic pills, Bao He Wan is now available in convenient capsules and easy-to-dissolve granules.
  • Fast and Convenient: These newer versions are designed to work faster and are much easier to take while on the go. This gives patients more flexible options that fit their daily habits while keeping the medicine just as effective.

Safety Considerations

1. Dietary Restrictions & Special Populations

While taking Baohe Pills, avoid raw/cold, greasy, and indigestible foods (e.g., ice cream, fried foods) that damage spleen‑stomach yang, hinder digestion, or worsen food stagnation. Use with caution in pregnancy—only under physician guidance—and avoid in spleen‑stomach yang deficiency, as the formula targets excess food‑stagnation and may further impair yang.

2. Treatment Course & Monitoring

Keep the course short—stop or adjust promptly once symptoms improve. If there is no clear benefit after a trial period, or if symptoms worsen, seek medical evaluation to re‑assess and avoid adverse effects from prolonged unsupervised use.

Questions About Bao He Wan

Q1: What are the actions of Bao He Wan?
Bao He Wan has the actions of reducing food stagnation, promoting digestion, and harmonizing the Stomach. It is the classic formula for resolving accumulation of undigested food in the Middle Jiao.
Q2: Which modern diseases is Bao He Wan suited to?
Modern TCM clinical practice commonly applies it to individuals whose pattern differentiation falls within food stagnation, including acute indigestion or dyspepsia from overeating, acute or chronic gastritis and enteritis with stagnation signs, and pediatric food accumulation or related diarrhea.
Q3: Is Bao He Wan suitable for improving abdominal fullness, belching, and poor appetite after overeating?
For presentations of epigastric or abdominal fullness and distension (worse after eating), belching with sour or foul odor, acid regurgitation, aversion to food, nausea or vomiting, a thick greasy tongue coating, and a slippery pulse — in those whose pattern differentiation confirms food stagnation — TCM commonly applies Bao He Wan as an adjunct. It cannot replace standard medical treatment.
Q4: Who should not take Bao He Wan?
Those with pure Spleen deficiency without food stagnation, or who are pregnant, are generally not suitable or require caution. The formula is dispersing and reducing; using it in pure deficiency can further weaken digestion. Use should be assessed by a qualified TCM physician.
Q5: Why is Bao He Wan considered a “preserve harmony” formula?
The name reflects its balanced approach: it disperses food accumulation and regulates Qi without harsh purging, while also addressing secondary Dampness or mild Heat that can arise from stagnation, thereby restoring harmonious function of the Stomach and Intestines.
Q6: Can Bao He Wan help with nausea, acid reflux, or diarrhea from food stagnation?
Yes, when these symptoms result from undigested food obstructing the Middle Jiao, causing rebellious Stomach Qi or turbid dampness. The formula promotes digestion, descends Qi, and gently resolves the accumulation, provided the pattern is excess stagnation rather than pure deficiency.
Q7: What are the main ingredients of Bao He Wan?
The classical formula includes Shan Zha (Hawthorn) to digest meat and greasy foods, Shen Qu (Medicated leaven) and Lai Fu Zi (Radish seed) to promote digestion of grains and reduce stagnation, Ban Xia and Chen Pi to regulate Qi and transform phlegm-damp, Fu Ling to strengthen the Spleen and drain dampness, and Lian Qiao to clear mild Heat that may arise from accumulation.
Q8: Is Bao He Wan suitable for long-term use?
It is primarily intended for short-term use to resolve acute or subacute food stagnation. Prolonged continuous use is not recommended because it is a dispersing formula; if underlying Spleen weakness is present, it should be combined with or followed by tonifying strategies under professional guidance.
Q9: How does Bao He Wan address both the accumulation and secondary symptoms?
Digestive herbs (Shan Zha, Shen Qu, Lai Fu Zi) break down and disperse the stagnant food. Qi-regulating and phlegm-transforming herbs (Ban Xia, Chen Pi) descend rebellious Qi and resolve dampness or phlegm that forms from stagnation, while Lian Qiao clears any secondary Heat, restoring normal Stomach descending function.
Q10: What lifestyle advice supports the use of Bao He Wan?
Eating smaller, regular meals, avoiding greasy, heavy, cold, or difficult-to-digest foods, chewing thoroughly, and allowing adequate time for digestion help prevent further accumulation and support the formula’s effects. Professional guidance remains essential for recurring or severe digestive issues.

General Questions

How do I choose the right formula?
TCM formulas are traditionally selected according to individual pattern differentiation rather than by symptom alone. If you're not sure which formula fits your presentation, take our AI Assessment below for a personalized starting point, then confirm with a qualified TCM practitioner.
What are concentrated herbal granules?
Concentrated herbal granules are made by decocting raw herbs, then extracting and concentrating the resulting liquid into a fine granule or powder form. This preserves the same active compounds as a traditional decoction while making the herbs far easier to store, measure, and prepare.
How should I take these products?
Dissolve the recommended amount of granules in hot water, stir until fully dissolved, and drink while warm — following the dosage and frequency advised by your TCM practitioner or as stated on the product packaging.
Are concentrated herbal granules equivalent to traditional decoctions?
Concentrated granules are produced from the same herbs and processed to retain their active compounds, so they are traditionally regarded as a convenient alternative to decoctions rather than a different remedy. Some practitioners note subtle differences in strength or absorption between the two forms, so your TCM practitioner may adjust dosage accordingly.
Are your products authentic?
Yes. HJMEDICAL sources its concentrated granules exclusively from established, reputable manufacturers such as Nong's and Hoi Tin, both long-standing names in the TCM granules industry, with GMP compliance stated directly on their packaging.
Are HJMEDICAL products manufactured under GMP standards?
HJMEDICAL sources its concentrated granules from established, reputable manufacturers such as Nong's and Hoi Tin, both long-standing names in the TCM granules industry. GMP compliance for these products is stated directly on their packaging.
Do you ship internationally?
Yes — we ship worldwide! Every order goes out via Hong Kong Post, and your exact shipping cost and estimated delivery time for your address are calculated and shown right at checkout, so there are never any surprises. We also offer free shipping once your order reaches our free-shipping threshold, so it's easy to stock up on your favorite formulas and save.
Can I take more than one formula at the same time?
Some formulas are traditionally combined, while others overlap or counteract each other. We recommend checking with a qualified TCM practitioner before combining formulas, especially if you are already taking other medication.
Are these products suitable during pregnancy or breastfeeding?
Some TCM formulas are not suitable during pregnancy or breastfeeding. Please consult a qualified TCM practitioner or your doctor before use if you are pregnant, trying to conceive, or nursing.
Do these products replace medical treatment?
No. These products are traditional herbal supplements intended to support wellbeing according to TCM principles — they are not a replacement for professional medical diagnosis or treatment. Please consult a qualified TCM practitioner or licensed healthcare provider before starting, stopping, or combining any treatment, especially if you have a chronic condition.
Medical Disclaimer

For general TCM education only — not medical advice. Consult a qualified TCM practitioner or licensed healthcare provider before use, especially if pregnant, nursing, on medication, or managing a chronic condition.

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Bao He Wan: Classic TCM Formula for Food Stagnation, Indigestion & Abdominal Fullness