Herb Root (根 gēn)

Mu Tou Hui

Patrinia root · 墓头回

Patrinia heterophylla Bunge / Patrinia scabra Bunge · Radix Patriniae Heterophyllae

Also known as: 墓头灰, 木头回, 地花菜,

Mù Tóu Huí is a root used in Chinese medicine primarily for women's health concerns, especially abnormal vaginal discharge and heavy menstrual or uterine bleeding. It works by drying excess moisture in the lower body, cooling heat in the blood, and gently tightening tissues to stop leaking. It also has traditional uses for dysentery, jaundice, and malaria, and modern interest in its potential supportive role in certain cancers.

Category Herbs that clear Heat and resolve Toxicity (清热解毒药) Astringent / Stabilizing herbs (收涩药)
Therapeutic focus Women's Health Uterine Bleeding Support Vaginal Discharge Support Digestive Health

TCM Properties

Temperature

Cool

Taste

Bitter (苦 kǔ), Sour (酸 suān), Astringent (涩 sè)

Channels entered

Heart, Liver

Parts used

Root (根 gēn)

Educational content • Consult qualified TCM practitioners for diagnosis and treatment

What This Herb Does

Every herb has a specific set of actions — here's what Mu Tou Hui does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Mu Tou Hui is primarily used to support these areas of health:

Women's Health Uterine Bleeding Support Vaginal Discharge Support Digestive Health

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Mu Tou Hui performs to restore balance in the body:

Secures the Kidneys and Stops Vaginal Discharge Astringes and Stops Bleeding Clears Heat and Resolves Toxicity Checks Malaria Invigorates Blood and Dispels Stasis

How these actions work

'Dries Dampness and stops vaginal discharge' means Mù Tóu Huí helps the body eliminate excess moisture that has accumulated in the lower pelvic region, which in TCM is seen as the root cause of abnormal vaginal discharge. Its bitter taste has a natural drying effect on pathological fluids, while its astringent quality helps tighten and restrain the leaking. This is the herb's most well-known use, and it appears in several standard Chinese patent medicines for this purpose.

'Astringes and stops bleeding' means the herb's sour and astringent properties help contain Blood within the vessels. This is especially relevant for heavy menstrual bleeding or uterine bleeding (called 崩漏 in Chinese medicine). Unlike purely astringent herbs, Mù Tóu Huí also has a mild Blood-moving quality, so it stops bleeding without completely trapping old Blood inside the body.

'Clears Heat and resolves toxins' refers to its ability to counteract inflammatory and infectious conditions. In TCM terms, when Heat toxins accumulate, they cause redness, swelling, pain, and pus formation. Mù Tóu Huí's cool nature helps clear this Heat, which is why it has traditionally been used for intestinal abscesses, toxic sores, and dysentery. Modern research has explored its anti-tumour properties, particularly for cervical and gastric cancers.

'Interrupts malaria' is a traditional use where the herb was taken before a malarial episode to prevent or reduce the cycling fever and chills characteristic of malaria.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Mu Tou Hui is used to help correct these specific patterns.

Why Mu Tou Hui addresses this pattern

Mù Tóu Huí is bitter, slightly sour and astringent, and cool in nature, entering the Heart and Liver channels. Its bitter flavour dries Dampness while its cool nature clears Heat, making it well suited for patterns where Damp-Heat pours downward into the Lower Burner. The herb's astringent quality helps consolidate and restrain abnormal vaginal discharge, while its Dampness-drying action addresses the root cause of excessive, foul-smelling leukorrhea. Its affinity for the Liver channel is especially relevant since the Liver channel encircles the genitalia.

A practitioner would look for one or more of these signs

Thin Vaginal Discharge

Excessive yellowish or reddish vaginal discharge (赤白带下)

Vaginitis

Foul-smelling discharge with itching

Cervicitis

Cervical inflammation with discharge

Commonly Used For

These are conditions where Mu Tou Hui is frequently used — but only when they arise from the specific patterns it addresses, not in all cases

Arises from: Damp-Heat

TCM Interpretation

In TCM, abnormal vaginal discharge (带下病) is primarily understood as a failure of the Spleen to transform and transport fluids, combined with Dampness accumulating in the Lower Burner. When this Dampness combines with Heat, the discharge becomes yellow, foul-smelling, or tinged with blood. The Liver channel, which encircles the genitalia, and the Dai Mai (Belt Vessel), which binds the lower body, are both involved. When Damp-Heat lodges in these channels, the body loses its ability to restrain normal vaginal secretions.

Why Mu Tou Hui Helps

Mù Tóu Huí directly addresses this mechanism through several complementary actions. Its bitter and cool nature dries Dampness and clears Heat from the Lower Burner. Its astringent quality helps restrain and consolidate the leaking discharge, addressing the symptom while the Dampness-clearing action treats the root. Because it enters the Liver channel, it reaches the pelvic region where the pathology resides. This is why Mù Tóu Huí is the primary ingredient in several well-known Chinese patent medicines for vaginal discharge, including Zhì Dài Piàn and Fù Fāng Bái Dài Wán.

Also commonly used for

Cervicitis

Cervical erosion and cervical inflammation

Dysentery

Dysentery with blood and mucus in the stool

Malaria

Traditionally used to interrupt malarial episodes (截疟)

Vaginitis

Including Trichomonas vaginitis, used both internally and as an external wash

Jaundice

Associated with Damp-Heat in the Liver and Gallbladder

Diarrhea

Damp-Heat diarrhea and dysentery

Cancer

Used as adjunctive support in early-stage cervical cancer in TCM oncology protocols

Gastric Ulcer

Used as part of compound prescriptions for gastric cancer support

Herb Properties

Every herb has an inherent temperature, taste, and affinity for specific channels — these properties determine how it interacts with the body

Temperature

Cool

Taste

Bitter (苦 kǔ), Sour (酸 suān), Astringent (涩 sè)

Channels Entered

Heart Liver

Parts Used

Root (根 gēn)

Dosage & Preparation

These are general dosage guidelines for Mu Tou Hui — always follow your practitioner's recommendation, as dosages vary based on the formula and your individual condition

Standard dosage

9–15g

Maximum dosage

Up to 30–45g in specific clinical situations (e.g. treating uterine bleeding or cervical conditions), under practitioner supervision only.

Dosage notes

Standard decoction dosage is 9–15g for general use. Higher doses of 30–45g have been used in folk medicine formulas for severe uterine bleeding (崩漏) and in anti-tumour protocols, always under practitioner supervision. For vaginal discharge (白带), it is commonly combined with Jin Ying Zi (Cherokee Rose fruit), Ku Shen (Sophora root), and Zhi Mu. The charcoal-processed form (墓头回炭) has enhanced astringent and hemostatic properties and is preferred for active bleeding. For external use (e.g. trichomonas vaginitis), the powdered herb is applied topically at 0.5–0.8g per application.

Preparation

No special decoction handling is required. The herb is simply decocted in the standard manner. For enhanced hemostatic effect, the charcoal-processed form (Mu Tou Hui Tan) may be used, which is made by stir-frying the sliced herb over medium heat until the surface is charred black and the interior is dark brown, then sprinkling with a small amount of water to extinguish any sparks.

Processing Methods

In TCM, the same herb can be prepared in different ways to change its effects — here's how processing alters what Mu Tou Hui does

Processing method

The cleaned and sliced herb is stir-fried over medium heat until the surface turns charred black and the interior becomes dark brown. A small amount of clean water is sprinkled on to extinguish any remaining sparks, then the herb is removed and allowed to cool completely.

How it changes properties

Charring strengthens the herb's astringent and hemostatic (止血) properties significantly. The cooling and Heat-clearing actions are somewhat reduced, while the ability to contain Blood within the vessels is enhanced. The bitter taste becomes less prominent and the charred form is more focused on stopping bleeding than on clearing Heat or drying Dampness.

When to use this form

Use the charred form when stopping bleeding is the primary goal, especially for acute or heavy uterine bleeding (崩漏) where rapid hemostasis is needed. The raw form is preferred when Damp-Heat clearing and discharge-stopping are the main therapeutic objectives.

Common Herb Pairs

These ingredients are traditionally combined with Mu Tou Hui for enhanced therapeutic effect

Hong Hua
Hong Hua Mù Tóu Huí one handful : Hóng Huā a small pinch (classical ratio from Dǒng Bǐng Jí Yàn Fāng)

Mù Tóu Huí astringes Blood and stops bleeding while Hóng Huā invigorates Blood and dispels stasis. Together they stop uterine bleeding without trapping stasis, addressing both the symptom (bleeding) and the underlying stagnation that often accompanies Blood Heat patterns.

When to use: For uterine bleeding (崩漏) with Blood stasis, where there is heavy bleeding accompanied by dark clots, lower abdominal pain, or a history of irregular menses.

Jin Ying Zi
Jin Ying Zi 1:1

Both herbs are astringent, but Jīn Yīng Zǐ focuses on securing the Kidneys and restraining essence, while Mù Tóu Huí dries Dampness and clears Heat from the Liver channel. Together they powerfully consolidate the Lower Burner and stop vaginal discharge from multiple angles.

When to use: For chronic white vaginal discharge (白带) with Kidney deficiency and Damp-Heat, where the discharge is persistent and accompanied by lower back soreness.

Ku Shen
Ku Shen 1:1

Kǔ Shēn strongly clears Heat and dries Dampness, especially in the Lower Burner, while Mù Tóu Huí adds astringent and Blood-level cooling actions. Together they provide a comprehensive approach to Damp-Heat vaginal discharge with stronger clearing and drying power than either herb alone.

When to use: For yellow, foul-smelling vaginal discharge with itching, or for Damp-Heat dysentery with blood and mucus in the stool.

Comparable Ingredients

These ingredients have overlapping uses — here's how to tell them apart

Bai Jiang Cao
Mu Tou Hui vs Bai Jiang Cao

Both come from the Patrinia family and clear Heat and resolve toxins. However, Bái Jiàng Cǎo (败酱草) uses the whole aerial plant of Patrinia scabiosaefolia or P. villosa, is slightly cold, and focuses on clearing intestinal abscesses, resolving pus, and dispelling Blood stasis in the abdomen. Mù Tóu Huí uses the root of different Patrinia species, is more astringent in nature, and specialises in stopping uterine bleeding and vaginal discharge. Choose Bái Jiàng Cǎo for intestinal abscess and post-surgical pelvic inflammation; choose Mù Tóu Huí for gynaecological bleeding and leukorrhea.

Chun Pi
Mu Tou Hui vs Chun Pi

Both herbs dry Dampness, astringe, and stop vaginal discharge and bleeding. Chūn Pí (椿皮, Ailanthus bark) is bitter, astringent, and cold, and strongly dries Dampness and stops bleeding, but it lacks Mù Tóu Huí's Heat-clearing and toxin-resolving properties. Chūn Pí is preferred when Dampness is the dominant pathology; Mù Tóu Huí is better when Damp-Heat is combined with toxic accumulation, or when mild Blood stasis accompanies the bleeding.

Qian Cao
Mu Tou Hui vs Qian Cao

Both stop bleeding, but they work by different mechanisms. Qiàn Cǎo (茜草, Madder root) cools Blood, stops bleeding, and actively invigorates Blood to dispel stasis. Mù Tóu Huí stops bleeding primarily through astringency while also drying Dampness. For uterine bleeding with significant Blood stasis and clots, Qiàn Cǎo is often more appropriate; for bleeding accompanied by vaginal discharge and Damp-Heat, Mù Tóu Huí is the better choice.

Common Substitutes & Adulterants

Related species and common adulterations to be aware of when sourcing Mu Tou Hui

In Jiangsu province, the dried whole plant of the Asteraceae species Ixeris sonchifolia (苦荬菜, Ku Mai Cai) is sometimes sold as Mu Tou Hui. This is a completely different plant from a different family with different therapeutic properties. The authentic Mu Tou Hui should come from Patrinia species (Valerianaceae) and can be distinguished by its characteristic strong foul valerian-like odour from the roots, which the Asteraceae substitute lacks. Mu Tou Hui may also be confused with the more commonly used Bai Jiang Cao (败酱草, Herba Patriniae), which comes from the yellow-flowered Patrinia scabiosaefolia or white-flowered Patrinia villosa. Although they belong to the same genus, Bai Jiang Cao has different therapeutic actions (primarily clearing Heat-toxin, draining abscesses, and dispelling blood stasis), while Mu Tou Hui is specifically valued for its astringent, hemostatic, and damp-drying properties focused on gynaecological conditions.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herb.

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Mu Tou Hui

Non-toxic

Mu Tou Hui is generally considered non-toxic at standard dosages. The root contains volatile oils (including beta-caryophyllene, alpha-humulene, and cubebol), iridoid glycosides, triterpenoid saponins, flavonoids, and lignans. The volatile oil fraction has a sedative effect at moderate doses in animal studies. No significant toxicity or adverse reactions have been reported in the classical literature or modern pharmacological studies at recommended doses. The characteristic foul odour (similar to valerian) is due to volatile oil components and is not an indicator of toxicity.

Contraindications

Situations where Mu Tou Hui should not be used or requires extra caution

Caution

Bleeding disorders with concurrent blood stasis (the herb's astringent nature may trap stagnant blood, worsening the condition)

Caution

Deficiency-Cold patterns of the Spleen and Stomach (the herb is cool in nature and may aggravate cold conditions)

Caution

Vaginal bleeding or leukorrhea due to Spleen Yang deficiency without Heat signs (this herb is suited for patterns involving Heat, not pure Cold deficiency)

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

No specific pregnancy safety data is available in classical or modern sources. However, Mu Tou Hui has blood-moving and blood-stasis-resolving properties (noted in the Guangxi Zhong Yao Zhi as being able to dispel stasis), and its primary clinical use involves treating uterine bleeding conditions. Given these properties, it should be used with caution during pregnancy. Pregnant women should avoid this herb unless specifically prescribed by a qualified practitioner.

Breastfeeding

No specific safety data regarding breastfeeding is available in classical texts or modern pharmacological literature. The herb's volatile oil components could theoretically pass into breast milk. Given the lack of evidence, nursing mothers should exercise caution and consult a qualified practitioner before use.

Children

No specific paediatric dosage guidelines are documented in classical or modern sources. As a folk medicine primarily used for gynaecological conditions (uterine bleeding, vaginal discharge), it has limited paediatric application. If used in children, dosage should be reduced proportionally based on age and body weight, and should only be prescribed by a qualified practitioner.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Mu Tou Hui

No well-documented pharmaceutical drug interactions have been established for Mu Tou Hui. However, given its hemostatic (blood-stopping) and blood-stasis-resolving properties, theoretical caution is warranted when combining with:

  • Anticoagulant or antiplatelet medications (e.g. warfarin, heparin, aspirin, clopidogrel): the herb's dual action of stopping bleeding while also moving stasis could unpredictably affect coagulation parameters.

The herb's volatile oils have demonstrated sedative effects in animal studies, so theoretical potentiation of CNS depressants (sedatives, benzodiazepines, barbiturates) is possible, though this has not been clinically confirmed.

Dietary Advice

Foods and dietary considerations when taking Mu Tou Hui

When taking Mu Tou Hui for bleeding conditions or vaginal discharge, avoid cold and raw foods, spicy and overly greasy foods, and alcohol, as these can aggravate Dampness-Heat or destabilise blood flow. Favour warm, easily digestible foods that support the Spleen, such as cooked grains, root vegetables, and mild soups.

Botanical Description

Physical characteristics and morphology of the Mu Tou Hui source plant

Mu Tou Hui is derived from two closely related species in the Patrinia genus (Valerianaceae/Caprifoliaceae family):

Scabrous Patrinia (Patrinia scabra): A perennial herb growing 20–40 cm tall with clustered stems that branch in the upper portions. The leaves are opposite, leathery, and pinnately divided with lance-shaped lobes bearing toothed margins. Both leaf surfaces and margins are hairy. Small yellow flowers form terminal cyme-like corymbs. The fruit is winged, ovate, thin and papery (about 6 mm across) with net-like veining. It grows wild on sunny slopes and deep-soiled embankments, especially in Hebei, Shanxi, Henan, and northeast China.

Diverseleaf Patrinia (Patrinia heterophylla): A taller perennial reaching up to 1 metre, with a creeping yellowish-white rhizome and sparse fibrous roots. The basal leaves are ovate or three-lobed with long stalks, while stem leaves are highly variable, ranging from three-lobed to fully pinnately divided. Small yellow flowers appear in panicle-like cymes in autumn (September to October). It grows on relatively dry mountain slopes and is distributed across most of China except Tibet, Qinghai, and Xinjiang. Both species emit a distinctive foul odour, especially from the roots.

Sourcing & Harvesting

Where Mu Tou Hui is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

Autumn, when the roots are dug up, cleaned of stems, leaves, and soil, then used fresh or dried in the sun.

Primary growing regions

Scabrous Patrinia (P. scabra): Primarily found in Hebei, Henan, Shanxi, and the northeast provinces (Liaoning, Jilin, Heilongjiang), especially on sunny slopes with deep soil. Diverseleaf Patrinia (P. heterophylla): Widely distributed across most of China (except Tibet, Qinghai, and Xinjiang), including Liaoning, Hebei, Shanxi, Henan, Shaanxi, Gansu, Shandong, Anhui, Zhejiang, and Guangxi. Grows on relatively dry mountain slopes at elevations of 300–2,600 metres. Shanxi province (particularly around Wutai Mountain) and Henan are traditionally regarded as notable producing regions.

Quality indicators

Good quality Mu Tou Hui root should be long, plump, and firm. For Scabrous Patrinia (P. scabra): the root is irregularly cylindrical with a rough, brownish-brown surface that is wrinkled and may have nodular protrusions. The bark peels off easily, revealing yellowish colour beneath. The cross-section shows fibrous texture with radial fissures. It is light in weight with a loose texture. For Diverseleaf Patrinia (P. heterophylla): the root is thinner and cylindrical with branching, yellowish-brown surface with fine longitudinal wrinkles and dot-like root scar marks. It is harder, with a yellowish-white, fractured cross-section. Both types should have a characteristic strong valerian-like foul smell and a slightly bitter taste. The best quality roots are described as long, fleshy, and brownish-brown in colour.

Classical Texts

Key passages from the classical Chinese medical texts that describe Mu Tou Hui and its therapeutic uses

《本草原始》(Ben Cao Yuan Shi)

Original: 墓头回根色黑，气臭，用此草干久益善。

Translation: The root of Mu Tou Hui is black in colour with a foul smell. This herb improves with long drying.

《山西中药志》(Shanxi Zhong Yao Zhi)

Original: 敛肝燥湿，止血。治妇人髋疽，赤白带下。

Translation: It astringes the Liver, dries Dampness, and stops bleeding. It treats women's hip abscesses, and red and white vaginal discharge.

《董炳集验方》(Dong Bing Ji Yan Fang)

Original: 治崩中，赤白带下：墓头回一把，酒水各半盏，新红花一捻，煎七分，卧时温服。日近者一服，久则三服。

Translation: To treat uterine flooding and red or white vaginal discharge: take a handful of Mu Tou Hui, half a cup each of wine and water, a pinch of fresh safflower, decoct to seven-tenths, and take warm at bedtime. For recent cases, one dose suffices; for chronic cases, three doses.

《植物名实图考》(Zhi Wu Ming Shi Tu Kao)

Original: 墓头回，生山西五台山。绿茎肥嫩，微似水芹，叶歧细齿，梢际结实，攒簇如椒，有毛。

Translation: Mu Tou Hui grows on Mount Wutai in Shanxi. Its green stems are plump and tender, somewhat resembling water celery. The leaves have forked fine teeth, and at the tips the fruits cluster together like pepper, with hairs.

Historical Context

The history and evolution of Mu Tou Hui's use in Chinese medicine over the centuries

The name "Mu Tou Hui" (墓头回, literally "return from the grave") has a famous folk origin story. According to legend, during the Song Dynasty a travelling physician encountered a funeral procession and noticed fresh blood seeping from the coffin. He deduced the woman inside was not truly dead but suffering from severe uterine haemorrhage. He had the coffin opened, gathered a local herb growing near the grave, decocted it, and administered it to the woman, who revived. Because the patient was "brought back from the grave," the herb was named Mu Tou Hui. This story appears in many regional versions across China, sometimes featuring different historical physicians.

The herb first appeared in classical records under the name "Di Hua Cai" (地花菜) in the Ming Dynasty text Jiu Huang Ben Cao (《救荒本草》). Li Shizhen included it in Ben Cao Gang Mu (《本草纲目》), citing the Dong Bing Ji Yan Fang formula for treating uterine flooding and vaginal discharge. The Ben Cao Yuan Shi (《本草原始》) further documented its properties, noting its black roots and foul smell. Su Dongpo (Song Dynasty) is also said to have written about this herb. Over time, Mu Tou Hui became a valued folk medicine for gynaecological conditions, and in modern times has attracted research interest for its potential anti-tumour properties. In Japan, related Patrinia species are poetically called "Ominaeshi" (女郎花, "maiden flower"), linked to a tragic legend of a faithful woman.

Modern Research

4 published studies investigating the pharmacological effects or clinical outcomes of Mu Tou Hui

1

Cytotoxic iridoids from the roots of Patrinia scabra (Phytochemistry study, 2012)

Li N, Di L, Gao WC, Wang KJ, Zu LB. Journal of Natural Products, 2012, 75(10), 1723-1728.

Researchers isolated seven new iridoid compounds and twelve known ones from Patrinia scabra roots. Several compounds showed cytotoxic activity against human gastric carcinoma (MNK-45) cells, with IC50 values ranging from 8.7 to 30.9 micromolar, and one compound was active against cervical carcinoma (HeLa) cells.

PubMed
2

Iridoids from the Roots of Patrinia scabra and Their Inhibitory Potential on LPS-Induced Nitric Oxide Production (Phytochemistry study, 2018)

Lee HH, Shin JS, Kang SY, et al. Journal of Natural Products, 2018, 81(6), 1468-1473.

Five new iridoid compounds (patriscabrins A-E) and thirteen known compounds were isolated from Patrinia scabra roots. Several showed significant anti-inflammatory activity by inhibiting LPS-induced nitric oxide production in macrophage cells, with IC50 values of 14.7 to 17.8 micromolar.

PubMed
3

Non-glycosidic iridoids from the roots of Patrinia scabra and their nitric oxide production inhibitory effects (Phytochemistry study, 2019)

Lee DH, Shin JS, Lee JS, Kang SY, et al. Archives of Pharmacal Research, 2019, 42(9), 766-772.

Five new non-glycosidic iridoids (patriscabrins F-J) were isolated from Patrinia scabra roots and tested for anti-inflammatory activity. Patriscabrin F showed the most potent inhibition of nitric oxide production with an IC50 of 14.1 micromolar in RAW 264.7 macrophage cells.

PubMed
4

Optimization for ultrasonic-microwave synergetic extraction of total iridoid glycosides and screening of analgesic and anti-inflammatory active fractions from Patrinia scabra (Preclinical study, 2022)

Ma Q, Lu Y, Deng Y, Hu X, Li W, Jia H, Guo Y, Shi X. BMC Complementary Medicine and Therapies, 2022, 22(1), 7.

This study optimized extraction of iridoid glycosides from Patrinia scabra and tested the resulting fractions in animal models. The 30% and 50% ethanol elution fractions demonstrated significant analgesic and anti-inflammatory effects in acetic acid-induced writhing, formalin-induced pain, carrageenan-induced paw oedema, and xylene-induced ear oedema tests in mice.

PubMed

Research on individual TCM herbs is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.