Fruits and seedsDigestantFructus Crataegi

Shan Zha (Hawthorn Fruit)

Q: What is Shan Zha? Are Shen Qu, Mai Ya and Lai Fu Zi the same?

Official Shan Zha (山楂) is the dried mature fruit of Crataegus pinnatifida or C. pinnatifida var. major . The pharmacopoeial name is Crataegi Fructus . It is especially good at reducing meat and greasy accumulation. Shen Qu is sweet-acrid-warm: reduces food and harmonizes the Stomach—grain, flour and alcohol. Mai Ya is sweet-neutral: moves qi, reduces food and withdraws milk—grain accumulation and milk accumulation. Lai Fu Zi is acrid-sweet-neutral: reduces food, eliminates distention, downbears qi and transforms phlegm. Write Shan Zha, fried Shan Zha or scorch-fried Shan Zha. Snack hawthorn slices are not the medicinal dose. Use caution when the Spleen and Stomach have no accumulation.

Q: What are the TCM properties and traditional uses of Shan Zha?

According to the Chinese Pharmacopoeia, Shan Zha is sour, sweet and slightly warm , enters the Spleen, Stomach and Liver channels, and acts to reduce food stagnation and fortify the Stomach, move qi and dissipate stasis, resolve turbidity and lower lipids . It is used for meat-food stagnation, epigastric fullness, dysentery-diarrhea with abdominal pain, blood-stasis amenorrhea, postpartum stasis, stabbing pain in the chest and abdomen, chest impediment and heart pain, hernia pain and hyperlipidemia. Jiao Shan Zha more strongly reduces food and conducts stagnation, for meat accumulation and ungratifying dysentery. Sour-sweet and slightly warm, it suits meat accumulation and stasis—not Spleen-Stomach vacuity without accumulation, or excessive Stomach acid.

Q: What is the usual dosage? Can it be drunk daily as a digesting lipid-lowering tea?

The pharmacopoeial decoction dose is 9–12 g . It is not a four-season “Shan Zha slimming lipid tea.” Without accumulation, sourness only injures the Stomach. Meat accumulation and chest impediment need a practitioner to name a short course; it does not replace lipid and gastrointestinal assessment. Excess snacking can form a bezoar.

Q: How do you choose and store Shan Zha?

Choose thick-fleshed slices that are red or deep yellow, with a faint clear aroma and a sour slightly sweet taste . Moldy, moth-eaten lots with too many pits or hollow slices are used with caution. Store airy and dry against moths. Buy pharmacopoeial Shan Zha; do not replace reducing food, fortifying the Stomach, moving qi and dissipating stasis with hawthorn candy, fruit leather or an unidentified fruit by equal weight.

A practical guide to Shan Zha: 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 Name	Fructus Crataegi
Chinese Name & Pinyin	山楂 · Shan Zha
Medicinal Part	Fruits and seeds
The herb	Shan Zha is the dried fruit of Crataegus pinnatifida or the large-fruit variety. Western hawthorn leaf and flower are not this decoction piece. Common forms: raw, dry-fried, and scorched.
Nature and channels	Sour, sweet, slightly warm. Enters the Spleen, Stomach, and Liver. Sourness disperses accumulation and dispels stasis. Sweetness harmonizes the middle.
Pharmacopoeia line	Disperses food and strengthens the stomach. Moves qi and dispels stasis. Transforms turbidity and reduces lipid. Used for meat accumulation, epigastric fullness, dysentery-like pain, amenorrhea from stasis, postpartum stasis, stabbing pain in chest or abdomen, shan pain, and hyperlipidemia.
Pattern cues	Meat accumulation. Fullness and sour belching. Amenorrhea with stabbing pain. Food-stagnation diarrhea. Dark tongue.
In this article	Raw versus fried versus scorched. Shan Zha versus Shen Qu, Mai Ya, and Lai Fu Zi. Pregnancy and acid cautions. Why it is not a candy or a statin stand-in. Who should skip it.

What Is Shan Zha?

Shan Zha (山楂; Shān Zhā; Latin: Crataegi Fructus; English: Chinese hawthorn fruit) is the dried ripe fruit of Crataegus pinnatifida Bge. var. major N. E. Br. or Crataegus pinnatifida Bge. In Chinese medicine it is a food-dispersing herb. It is sour, sweet, and slightly warm, enters the Spleen, Stomach, and Liver channels, and its core actions are to disperse food and strengthen the stomach, move qi and dispel stasis, and transform turbidity and reduce lipid. It is especially used for meat accumulation. Raw Shan Zha more strongly invigorates blood, dispels stasis, and transforms turbidity. Dry-fried fruit disperses food. Scorched Shan Zha is more sour-astringent and leans toward stopping food-stagnation diarrhea. It is not the Western hawthorn leaf and flower used in another cardiac herbal tradition. Those parts do not convert to this official fruit. It is not Shen Qu or Mai Ya. Medicated leaven covers a wider range of flour foods. Barley sprout leans toward grain and milk foods. The pharmacopoeia line “transform turbidity and reduce lipid” is a traditional extension. It is not a claim that the fruit replaces a lipid-lowering drug. Use caution with too much stomach acid, in pregnancy, and when the spleen is weak with no accumulation.

It is used most often for three patterns:

Meat accumulation — epigastric fullness, sour rotten belching
Blood-stasis amenorrhea, postpartum stasis, stabbing pain in chest or abdomen
Food-stagnation diarrhea / turbid-phlegm lipids — the last belongs with a practitioner

The usual decoction dose is 9–12 g. Sour, sweet, and slightly warm, it is not a daily “digestive hawthorn candy.” Dispersing when there is no accumulation, or dispelling stasis in pregnancy on your own, consumes qi and stirs blood.

After greasy meals, or when stasis causes pain, bloating and clotted missed periods are common. Shan Zha is sour-sweet. It disperses, moves, and dispels stasis, which is why it appears in Bao He Wan. It sours and disperses more than it soothes. Burning epigastrium and acid regurgitation get more irritated if more sourness is added.

Shan Zha is not a catch-all digestive or stasis fruit. Dispersing when there is no accumulation, souring an already hot acidic stomach, or using it in pregnancy can injure the middle and stir blood. Raw, fried, or scorched should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Shan Zha: Materia Medica Profile

Identification & Quality Standard

Fructus Crataegi

Botanical Origin

The dried mature fruit of Crataegus pinnatifida Bge. var. major N. E. Br or Crataegus pinnatifida Bge.(Rosaceae).

Production Regions

Primarily produced in the Chinese provinces of Henan, Hebei, Shandong.

Quality Requirements

Superior medicinal material is large with thick flesh, lacks seeds, and has red skin.

Macroscopic Features

Relatively small fruit, sub-spherical, 0.8~1.4cm diameter, sometimes pressed into a disc-like shape. Externally brown to brownish-red, with dense thin wrinkles, apex is indented, with remnants of calyx, base has fruit stem or it has already fallen.

3 Growing Regions and Quality Identification

While it grows across Northern China (especially in Shandong and Hebei provinces), the medicinal quality relies heavily on proper harvesting and processing.

Spotting Good Quality: Premium raw Shan Zha (Hawthorn) comes in round, wrinkled slices with a shiny red skin and deep yellow flesh. It should feel hard, smell pleasantly fruity, and taste distinctly sour with a hint of sweetness.
Lookalikes to Avoid: Be aware of wild hawthorn substitutes; these are typically smaller, have very thin flesh, taste overly sour, and offer much lower medicinal value.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Sweet, Sour; Slightly warmSpleenStomachLiver

1. 2 Historical TCM Records

Classical texts have documented the benefits of Shan Zha (Hawthorn) for centuries:

Ming Yi Bie Lu notes its ability to aid digestion and promote healthy Qi (energy) flow.
Ben Cao Gang Mu (Compendium of Materia Medica) specifically highlights its power to dissolve meat and greasy food stagnation, resolve blood clots, and relieve severe bloating.
De Pei Ben Cao provides important safety guidelines, strictly advising against its use for individuals with a weak Spleen or those suffering from chronic loose stools due to Qi deficiency.

2. 3 Evolution of TCM Perspectives

Over time, TCM physicians refined their understanding of this fruit. While famous doctors like Li Shizhen praised its strong ability to clear heavy, greasy food blockages and stubborn blood stasis, later experts added necessary cautions. They noted its slightly warm and drying nature, warning that it shouldn't be treated as a universal, daily digestive aid. People with Yin deficiency (internal dryness and heat) or a weak digestive system should avoid using it alone, highlighting the importance of precise, customized herbal formulas.

Core Efficacies & Traditional Applications

Traditional Functions

Opens appetite, digests food, resolves stagnation, eliminates accumulation, invigorates blood, disperses stasis, resolves phlegm, moves qi. Apply to dyspeptic disease due to over consumption of meat, abdominal mass accumulation, abdominal swelling and fullness, abdominal pain due to stasis, phlegm and fluid retention, diarrhea, discharging fresh blood stool.

1. 1 Primary Use: Resolving Food Stagnation

Traditionally, Shan Zha (Hawthorn) is famous for clearing out food stagnation, especially when you have eaten too much heavy, greasy meat.

Signs you might need it: Symptoms include abdominal bloating, sour belching, foul-smelling stools, and loss of appetite after a heavy meal. It is also commonly used for children who suffer from bloated tummies and crying due to overeating.
Common Pairings: It is often paired with Mai Ya (Barley Sprout) and Shen Qu (Medicated Leaven) to boost overall digestion, or with Bai Zhu (Atractylodes) to protect a weak digestive system from being overworked.
When to Avoid: Do not use this herb if you have high stomach acid or a weak Spleen and Stomach without any actual food stagnation.

2. 2 Secondary Use: Moving Qi and Dispersing Blood Stasis

Another major traditional use is promoting the flow of Qi (energy) and breaking up blood stasis.

Signs you might need it: It is traditionally used for chest or rib pain, menstrual cramps, postpartum abdominal pain, or suspected abdominal masses caused by stagnant energy and blood.
Common Pairings: For moving Qi, it is often paired with Xiang Fu (Cyperus Rotundus) and Yu Jin (Curcuma Tuber). For dispersing blood stasis, it works well with Dang Gui (Angelica Sinensis) and Chuan Xiong (Ligusticum).
When to Avoid: Pregnant women should strictly avoid using this on their own, as moving blood can affect the pregnancy.

3. 3 Common Herbal Pairing: Shan Zha and Mai Ya

A classic herbal tag-team is Shan Zha and Mai Ya (Barley Sprout).

The Synergy: Shan Zha excels at breaking down greasy meats, while Mai Ya specializes in digesting starchy foods like rice, noodles, and bread.
Together, they cover almost all common types of food stagnation, making them highly effective for severe bloating and acid reflux caused by a mixed, heavy diet. Always consult a TCM practitioner to adjust the formula if you also have underlying digestive weakness.

Modern Research

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

1. 1 Key Chemical Components

Modern science has identified several active compounds within Shan Zha (Hawthorn). These include flavonoids (like quercetin), organic acids (which give it its signature tartness), and triterpenoids. While lab tests show these compounds can interact with certain enzymes, most human clinical data remains preliminary and is often based on dietary supplement observations.

2. 2 Modern Pharmacological Focus

Current scientific research generally focuses on three main areas:

Digestion: Animal studies suggest the extracts may help stimulate gastric juice secretion.
Blood Circulation: Lab tests indicate certain compounds might positively influence blood flow characteristics.
Metabolism: Preliminary animal research is exploring its metabolic effects, though this lacks definitive human confirmation.

3. 3 Limitations of Modern Studies

It is important to view modern research through a realistic lens:

Lab vs. Human Body: Results from test tubes or animal models do not automatically equal clinical success in humans.
Form Matters: The highly concentrated extracts or isolated chemicals used in modern labs behave very differently than traditional brewed teas or dried herbal slices.
Holistic Synergy: In TCM, the healing power of Shan Zha (Hawthorn) comes from all of its natural compounds working together in harmony, not just the action of one single isolated chemical.

Comparing Similar Herbs

1. 2 Similarities Between Shan Zha and Shen Qu

We often compare Shan Zha with Shen Qu (Medicated Leaven) because they are both digestive superstars.

Both are primarily used to resolve food stagnation.
Both effectively treat bloating and poor appetite caused by overeating.
Both are popular in gentle home remedies and daily dietary therapy.

2. 3 Core Differences

Nature & Flavor: Shan Zha is warm, sour, and gently sweet, with a stronger astringent (pulling inward) effect. Shen Qu is warm, sweet, and pungent, making it more dispersing.
Main Strength: Shan Zha targets greasy meat stagnation and helps clear blood stasis. Shen Qu targets grain, fruit, and vegetable stagnation, and it is better at actively strengthening the Spleen.
Direction of Action: Shan Zha pushes energy downward to clear the gut. Shen Qu lifts and harmonizes, helping the Spleen regain its normal digestive rhythm.
Who Should Avoid It: Avoid Shan Zha if you have high stomach acid. Avoid Shen Qu if you suffer from Yin deficiency (internal dryness and heat).

3. 4 Summary in One Sentence

Shan Zha is your go-to for digesting heavy meats and moving blood stasis, while Shen Qu is better for digesting starches and gently protecting the Spleen; they treat similar issues but cannot simply replace one another.

Classical Formulas Containing Shan Zha

Bao He Wan

保和丸Sovereign

Formula CategoryDigestive FormulasPrimary PatternFood StagnationPrimary FunctionPromote digestion, resolve food stagnationRelated ConditionsIndigestion·Bloating·Poor Appetite·Stomach Discomfort

View Formula Profile Read Complete Guide

3 方剂与单味药的区别

方剂是多味药共同作用的整体，单味药不能简单复制完整方剂的效果，方剂中的剂量和配伍具有整体性，每味药的用量和搭配都是根据具体病情确定的。读者常见的误解是，某药在方剂中有效，就认为单独服用也会产生同样效果，但实际上，单味药的作用范围和强度都有限，无法覆盖方剂中多味药协同的作用，因此不建议根据网络文章自行配方。

Diet & Daily Home Use

1. 1 Home Remedies and Herbal Teas

Recipe: Shan Zha Mai Ya Cha (Hawthorn and Barley Sprout Tea)
- Ingredients: 5g dried Shan Zha, 5g stir-fried Mai Ya, 2g Chen Pi (Tangerine Peel).
- How to make: Pour boiling water over the ingredients, cover, and steep for 10 minutes.
- Best for: Mild bloating or loss of appetite after eating too much meat or carbs.
- Usage: Drink 1-2 cups a time, 2-3 times a week. Do not drink this continuously long-term. Avoid if you have high stomach acid or a weak stomach with no food blockage.

2. 2 Decoction and Processing Differences

Processing Types: Raw Shan Zha is best for clearing heavy stagnation and blood stasis. Stir-fried Shan Zha is milder on the stomach. Charred Jiao Shan Zha is very mild and can help stop diarrhea, while Shan Zha Tan (charcoal) is traditionally used to stop bleeding.
How to Brew: You can simply boil the dried slices directly with other ingredients; it does not require special bagging or pre-boiling.
Extracts: Do not swap traditional raw herb measurements with modern herbal extracts, as their concentrations are completely different.

3. 3 Dosage and Duration

Standard TCM Dose: Typically 6 to 12 grams (up to 15 grams for treating blood stasis).
Home/Food Dose: Keep it between 3 to 6 grams for gentle daily use.
Duration: Stop using it once your bloating or digestion improves (usually within 1 week). Do not use it as a long-term daily supplement.

Contraindications & Safety Warnings

1. 1 Who Should Avoid It

Digestive Issues: Avoid if you have high stomach acid, gastric ulcers, or a weak digestive system with no actual food blockage.
Vulnerable Groups: Pregnant and nursing women should be highly cautious (it can stimulate the uterus). Children and seniors should only use it under professional supervision with adjusted doses.
Medical Conditions: People with liver or kidney issues should consult a doctor first.
Allergies: If you are allergic to plants in the Rosaceae (rose) family, you may react to this herb.

2. 2 Drug Interactions and Dietary Notes

Medications: Shan Zha may interact with blood thinners, blood pressure medications, and diabetes drugs. Always consult your doctor or pharmacist if you are on prescription treatments.
Food Combinations: While general food pairings are safe, never mix this herb with prescription medications without professional advice.

3. 3 Side Effects and Overdose Risks

Overdose Risks: Normal amounts are very safe, but taking too much can trigger acid reflux, stomach pain, and nausea.
Allergies: Rare allergic reactions might include skin rashes or itching.
When to Seek Help: Stop using it immediately and see a doctor if you experience severe nausea, breathing trouble, allergic reactions, or if your symptoms rapidly worsen.

Frequently Asked Questions About Shan Zha

What is Shan Zha? Are Shen Qu, Mai Ya and Lai Fu Zi the same?

Official Shan Zha (山楂) is the dried mature fruit of Crataegus pinnatifida or C. pinnatifida var. major. The pharmacopoeial name is Crataegi Fructus. It is especially good at reducing meat and greasy accumulation. Shen Qu is sweet-acrid-warm: reduces food and harmonizes the Stomach—grain, flour and alcohol. Mai Ya is sweet-neutral: moves qi, reduces food and withdraws milk—grain accumulation and milk accumulation. Lai Fu Zi is acrid-sweet-neutral: reduces food, eliminates distention, downbears qi and transforms phlegm. Write Shan Zha, fried Shan Zha or scorch-fried Shan Zha. Snack hawthorn slices are not the medicinal dose. Use caution when the Spleen and Stomach have no accumulation.

What are the TCM properties and traditional uses of Shan Zha?

According to the Chinese Pharmacopoeia, Shan Zha is sour, sweet and slightly warm, enters the Spleen, Stomach and Liver channels, and acts to reduce food stagnation and fortify the Stomach, move qi and dissipate stasis, resolve turbidity and lower lipids. It is used for meat-food stagnation, epigastric fullness, dysentery-diarrhea with abdominal pain, blood-stasis amenorrhea, postpartum stasis, stabbing pain in the chest and abdomen, chest impediment and heart pain, hernia pain and hyperlipidemia. Jiao Shan Zha more strongly reduces food and conducts stagnation, for meat accumulation and ungratifying dysentery. Sour-sweet and slightly warm, it suits meat accumulation and stasis—not Spleen-Stomach vacuity without accumulation, or excessive Stomach acid.

How do you choose raw, fried and scorch-fried Shan Zha?

Moving qi, dissipating stasis, chest impediment and heart pain more often use raw Shan Zha. Reducing food and fortifying the Stomach more often use fried Shan Zha. Jiao Shan Zha is less sour and better at conducting stagnation and stopping dysentery. Large amounts of fresh snack hawthorn can cause excess acid or even gastric bezoar—not a substitute for the decoction dose. The pit is not used as equal-weight digestant.

What is the usual dosage? Can it be drunk daily as a digesting lipid-lowering tea?

The pharmacopoeial decoction dose is 9–12 g. It is not a four-season “Shan Zha slimming lipid tea.” Without accumulation, sourness only injures the Stomach. Meat accumulation and chest impediment need a practitioner to name a short course; it does not replace lipid and gastrointestinal assessment. Excess snacking can form a bezoar.

What are the contraindications? Can it be used in pregnancy?

Use caution in Spleen-Stomach vacuity without accumulation. Use caution in excess Stomach acid and peptic ulcer. It enters the blood and dissipates stasis; use caution or avoid in pregnancy—it is not a calm-fetus herb. Stop if acid reflux, Stomach pain and loose stool appear. Severe abdominal pain and stopped vomiting are emergencies.

Can Shan Zha reduce food, dissipate stasis and lower lipids?

It can help meat-food stagnation and blood stasis with qi stagnation. Food accumulation with epigastric fullness joins medicated leaven, radish seed, tangerine peel and Pinellia in Bao He Wan. Postpartum stasis and amenorrhea may join Angelica and Chuanxiong. It reduces food, fortifies the Stomach, moves qi, dissipates stasis, resolves turbidity and lowers lipids—not a specific for every bloating, every dysmenorrhea or every high cholesterol. Chest pain must exclude emergency causes.

Can Shan Zha be drunk daily as a slimming, lipid-lowering or digestive tea?

Meat-food stagnation and epigastric fullness may enter a short formula; Spleen vacuity without accumulation only grows more depleted as it sours. “Shan Zha slims and lowers lipids” does not replace diet and cardiovascular assessment. Reducing food, fortifying the Stomach, moving qi and dissipating stasis should name Shan Zha 9–12 g.

How do you choose among Shan Zha, Shen Qu, Mai Ya, Lai Fu Zi and Ji Nei Jin?

Hawthorn is sour-sweet and slightly warm: reduces food, fortifies the Stomach, moves qi, dissipates stasis, resolves turbidity and lowers lipids—meat, grease and blood stasis. Medicated leaven is sweet-acrid-warm: reduces food and harmonizes the Stomach—grain, flour and alcohol. Malt is sweet-neutral: moves qi, reduces food, fortifies Spleen, opens the appetite and withdraws milk—grain accumulation. Radish seed is acrid-sweet-neutral: reduces food, eliminates distention, downbears qi and transforms phlegm. Chicken gizzard lining is sweet-neutral: fortifies the Stomach, reduces food, astringes essence and checks emission. Meat accumulation favors Shan Zha; grain-alcohol accumulation favors Shen Qu or Mai Ya; fullness with much phlegm favors Lai Fu Zi; firm accumulation may join Ji Nei Jin. They may be paired (Bao He Wan); excess Stomach acid cautions Shan Zha; qi vacuity cautions Lai Fu Zi.

Which herbs is Shan Zha combined with? What are the representative formulas?

Food accumulation joins medicated leaven, radish seed, tangerine peel, Pinellia and Poria in Bao He Wan. Write Shan Zha or Jiao Shan Zha 9–12 g; dissipating stasis more often uses the raw fruit.

How do you choose and store Shan Zha?

Choose thick-fleshed slices that are red or deep yellow, with a faint clear aroma and a sour slightly sweet taste. Moldy, moth-eaten lots with too many pits or hollow slices are used with caution. Store airy and dry against moths. Buy pharmacopoeial Shan Zha; do not replace reducing food, fortifying the Stomach, moving qi and dissipating stasis with hawthorn candy, fruit leather or an unidentified fruit 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.