Ingredient Animal — whole (全虫 quán chóng)

Tu Bie Chong

Ground beetle · 土鳖虫

Eupolyphaga sinensis Walker; Steleophaga plancyi (Boleny) · Eupolyphaga seu Steleophaga

Also known as: Di Bie Chong (地鳖虫), Zhe Chong (蛰虫)

Tu Bie Chong (Ground beetle) plant

Images shown are for educational purposes only

Tu Bie Chong is a powerful Blood-moving substance derived from the dried female body of a wingless ground beetle. It is primarily used for breaking up stubborn Blood stasis, treating traumatic injuries, fractures, and conditions involving fixed abdominal masses or absent menstrual periods. Because of its strong stasis-breaking action, it is considered slightly toxic and must be used with care, especially avoiding use during pregnancy.

Category Blood-invigorating and stasis-dispelling herbs (活血化瘀药)
Therapeutic focus Bone and Joint Health Injury and Trauma Recovery Menstrual Health Liver Health

TCM Properties

Temperature

Cold

Taste

Salty (咸 xián)

Channels entered

Liver

Parts used

Animal — whole (全虫 quán chóng)

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Educational content • Consult qualified TCM practitioners for diagnosis and treatment

What This Ingredient Does

Every ingredient has a specific set of actions — here's what Tu Bie Chong does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Tu Bie Chong is primarily used to support these areas of health:

Bone and Joint Health Injury and Trauma Recovery Menstrual Health Liver Health

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Tu Bie Chong performs to restore balance in the body:

Breaks Blood and Dispels Stasis Strengthens the Sinews and Bones Unblocks the Channels and Collaterals Disperses Fixed Masses

How these actions work

'Breaks Blood and expels stasis' means Tu Bie Chong forcefully disperses old, stubborn Blood clots and obstructions that ordinary Blood-moving herbs cannot shift. In TCM, when Blood stops flowing properly and accumulates in one place, it forms what is called 'stasis' or even 'dry blood' (old, hardened stasis). This herb is called upon for severe cases: absent menstrual periods caused by internal Blood blockage, postpartum abdominal pain from retained clots, or palpable fixed masses in the abdomen. Its salty taste and cold nature allow it to enter the Blood level, soften hardened accumulations, and drive them out.

'Connects sinews and mends bones' means this herb promotes the healing of torn tendons, ligaments, and broken bones. It has been a cornerstone of Chinese traumatology (bone-setting medicine) for centuries. For fractures that are slow to heal or for soft tissue injuries with swelling and stiffness, Tu Bie Chong helps by clearing the local Blood stasis that impedes tissue repair. It is often combined with other trauma herbs like Zi Ran Tong (natural copper) and Gu Sui Bu (Drynaria rhizome) for this purpose.

'Unblocks the channels and collaterals' refers to the herb's ability, as an insect-derived substance, to penetrate into the fine network vessels of the body. Insect medicines are considered especially adept at 'searching and scouring' through narrow pathways where stubborn stasis has lodged. This makes Tu Bie Chong useful for conditions like numbness, chronic pain, or deep-seated obstructions that plant-based herbs alone cannot fully address.

'Disperses fixed masses' describes the herb's classical use against what TCM calls zheng jia (癥瘕), meaning palpable, immovable lumps in the abdomen. These may correspond to conditions such as liver or spleen enlargement, uterine fibroids, or ovarian cysts in modern terms. The herb's ability to break down and scatter these accumulations is one of its most valued properties, showcased in Zhang Zhongjing's classical formulas.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Tu Bie Chong is used to help correct these specific patterns.

Why Tu Bie Chong addresses this pattern

Tu Bie Chong's salty and cold nature allows it to enter the Liver Blood level, where it powerfully breaks up and expels accumulated stasis. Its salty taste softens hardened masses, while its cold temperature clears the Heat that often accompanies chronic Blood stagnation. As an insect-derived substance, it excels at penetrating into the fine network vessels where stubborn stasis lodges, far beyond the reach of most plant-based Blood-moving herbs. This makes it particularly suited for severe or chronic Blood Stagnation with fixed masses, absent periods, or postpartum retained clots.

A practitioner would look for one or more of these signs

Amenorrhea

Absent periods due to internal Blood obstruction

Abdominal Pain

Fixed, stabbing abdominal pain that worsens with pressure

Abdominal Masses

Palpable immovable lumps in the lower abdomen

Dark Complexion

Darkened complexion around the eyes

Commonly Used For

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

Arises from: Traumatic Injury

TCM Interpretation

In TCM, bone fractures inevitably damage local Blood vessels and channels, causing Blood to stagnate at the injury site. This stasis creates swelling, pain, and a physical barrier that prevents fresh Qi and Blood from reaching the damaged tissue. Until this stasis is cleared, the bones and sinews cannot properly knit together. The Liver governs the sinews and stores the Blood, so the Liver channel is central to recovery from musculoskeletal injuries.

Why Tu Bie Chong Helps

Tu Bie Chong enters the Liver channel and powerfully breaks up local Blood stasis, removing the obstruction that impedes healing. Its specific action of 'connecting sinews and mending bones' (续筋接骨) directly promotes the reunion of fractured bones and torn soft tissues. Classical texts describe it as a 'sacred herb for joining bones.' It is typically combined with Zi Ran Tong (natural copper) and Gu Sui Bu (Drynaria) to enhance bone repair, and with Ru Xiang (frankincense) and Mo Yao (myrrh) to address pain and swelling.

Also commonly used for

Amenorrhea

Blood stasis type with fixed lower abdominal pain

Angina

Coronary heart disease with Blood stasis

Ovarian Cysts

Pelvic masses related to Blood stagnation

Sprains

Acute lumbar sprain and soft tissue injuries

Hepatitis

Chronic active hepatitis with liver fibrosis

Deep Vein Thrombosis

Venous thrombosis with Blood stasis

Amenorrhea

Painful periods due to Blood stasis

Ingredient Properties

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

Temperature

Cold

Taste

Salty (咸 xián)

Channels Entered

Liver

Parts Used

Animal — whole (全虫 quán chóng)

Dosage & Preparation

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

Standard dosage

3–10g

Maximum dosage

Up to 10g in decoction under practitioner supervision. When taken as ground powder (a common method for trauma), the dose is typically 1–1.5g per dose, taken with warm rice wine.

Dosage notes

The dosage form significantly affects the effective dose. In decoction (煎服), the standard range is 3-10g. When ground into powder and taken directly (研末服), a much smaller dose of 1-1.5g per dose is used, typically swallowed with warm rice wine (黄酒). The powder form is considered more potent gram-for-gram because active proteins and enzymes are better preserved when not boiled. For external application (compresses for fractures and swelling), an appropriate amount of powder is mixed into a paste. Lower doses (3-5g in decoction) are appropriate for chronic Blood stasis conditions like amenorrhoea; standard doses (6-10g) are used for traumatic injuries and fractures. In formulas targeting abdominal masses and tumours, it is typically combined with other Blood-breaking substances.

Preparation

When used in decoction, Tu Bie Chong requires no special handling and is decocted with the other herbs normally. However, it is very commonly used as ground powder (研末) rather than in decoction, because its active protein and enzyme components are heat-sensitive and partially destroyed by prolonged boiling. The powder form (1-1.5g per dose, taken with warm rice wine) is considered more effective for traumatic injury and bone-healing applications.

Processing Methods

In TCM, the same ingredient can be prepared in different ways to change its effects — here's how processing alters what Tu Bie Chong does

Processing method

The raw dried beetles are dry-fried (without oil) in a wok over gentle heat until they become slightly charred and fragrant, then removed and cooled.

How it changes properties

Dry-frying reduces the herb's slight toxicity and lessens its strong, unpleasant fishy odour, making it more palatable and easier to tolerate. The thermal nature remains cold but is slightly moderated. The Blood-breaking action is preserved but becomes somewhat gentler on the digestive system.

When to use this form

This is the standard form used in most clinical prescriptions. It is preferred whenever the herb is taken internally in decoction or powder form, as it is safer and better tolerated than the raw form.

Common Ingredient Pairs

These ingredients are traditionally combined with Tu Bie Chong for enhanced therapeutic effect

Da Huang
Da Huang Da Huang 9g : Tu Bie Chong 9g (equal ratio, as in Xia Yu Xue Tang)

Da Huang (rhubarb) and Tu Bie Chong together powerfully purge and break Blood stasis. Da Huang drives downward, pushing stagnant material out through the bowels, while Tu Bie Chong breaks up the hardened stasis itself. Together they form a potent combination for expelling old, congealed Blood from the lower abdomen.

When to use: Postpartum retained Blood clots with lower abdominal pain, Blood stasis amenorrhea, or abdominal masses with constipation. This is the core pairing in Xia Yu Xue Tang (Expel Stasis Decoction).

Tao Ren
Tao Ren 1:1 (both appear together in Xia Yu Xue Tang and Da Huang Zhe Chong Wan)

Tao Ren (peach kernel) invigorates Blood and moistens dryness, while Tu Bie Chong breaks stubborn stasis and penetrates the collaterals. Together they address Blood stasis at multiple levels: Tao Ren handles the more superficial or recent stasis while Tu Bie Chong tackles the deep, chronic, hardened obstruction.

When to use: Blood stasis amenorrhea, postpartum abdominal pain, or traumatic injuries with significant bruising and swelling.

Zi
Zi Ran Tong Zi Ran Tong 6g : Tu Bie Chong 6g (roughly equal, as in classical trauma formulas from the Xiu Zhen Fang)

Zi Ran Tong (natural copper) and Tu Bie Chong are the classic trauma pairing for bone fractures. Zi Ran Tong promotes bone knitting through its mineral properties and disperses local stasis, while Tu Bie Chong breaks the surrounding Blood stasis and 'connects sinews and mends bones.' Together they accelerate fracture healing significantly.

When to use: Bone fractures, especially those slow to heal, with local swelling, bruising, and pain.

Bie Jia
Bie Jia Bie Jia 15-30g : Tu Bie Chong 6-9g (as in Bie Jia Jian Wan)

Bie Jia (turtle shell) nourishes Yin, softens hardness, and disperses deep-seated masses, while Tu Bie Chong breaks Blood stasis and scatters accumulations. Together they combine the Yin-nourishing, mass-softening approach with active stasis breaking, making them especially effective for chronic conditions with both deficiency and stasis.

When to use: Liver and spleen enlargement (hepatosplenomegaly), malarial masses (nue mu), liver fibrosis and cirrhosis, or chronic abdominal masses with underlying Yin deficiency.

Key Formulas

These well-known formulas feature Tu Bie Chong in a prominent role

Da Huang Zhe Chong Wan 大黄蛰虫丸 King

This is the definitive formula showcasing Tu Bie Chong's ability to break chronic, deep-seated Blood stasis ('dry blood'). From the Jin Gui Yao Lue, it treats the hallmark signs of 'skin rough like fish scales and darkened eyes' caused by years of internal stasis. Tu Bie Chong serves as the primary Blood-breaking agent alongside other insect medicines, exemplifying its role in the 'attack stasis to generate new' therapeutic strategy.

Xia Yu Xue Tang 下瘀血汤 King

A small, potent three-herb formula from the Jin Gui Yao Lue (Da Huang, Tao Ren, Tu Bie Chong) for expelling retained Blood clots after childbirth or treating Blood stasis amenorrhea. Tu Bie Chong is one of three equal-status ingredients, demonstrating its focused stasis-breaking power in its most concentrated form.

Bie Jia Jian Wan 鳖甲煎丸 Assistant

A complex formula from the Jin Gui Yao Lue for treating malarial masses (nue mu) with liver and spleen enlargement. Tu Bie Chong serves as one of the insect medicines that break up the hardened mass, supporting the chief herb Bie Jia. This formula demonstrates Tu Bie Chong's role in dispersing chronic abdominal accumulations within a formula that also addresses underlying deficiency.

Comparable Ingredients

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

Shui Zhi
Tu Bie Chong vs Shui Zhi

Both Shui Zhi (leech) and Tu Bie Chong are powerful insect-derived substances that break Blood stasis. Shui Zhi is considered stronger for breaking stasis in the blood vessels themselves and is the herb of choice for conditions like stroke or deep intravascular clots. Tu Bie Chong, while also potent, is somewhat more moderate and has the additional ability to connect sinews and mend bones, making it the preferred choice when trauma, fractures, or musculoskeletal injuries are involved. Tu Bie Chong is also considered more appropriate for deficient patients with Blood stagnation, as it is less likely to severely injure Qi.

Meng Chong
Tu Bie Chong vs Meng Chong

Meng Chong (tabanus/gadfly) is the strongest of the three major insect Blood-breakers, followed by Shui Zhi, with Tu Bie Chong being the mildest of the three. Meng Chong is reserved for the most severe, acute cases of Blood stasis, but it is also the most likely to damage Qi and cause adverse effects. Tu Bie Chong is preferred when a strong but less aggressive approach is needed, or when long-term use is anticipated (as in pill formulas like Da Huang Zhe Chong Wan), and especially when bone and sinew repair is also needed.

San Leng
Tu Bie Chong vs San Leng

San Leng (Sparganium rhizome) also breaks Blood stasis and disperses accumulations, but it is a plant-based herb that works more on Qi and Blood stagnation simultaneously. Tu Bie Chong, as an animal substance, is considered more penetrating into the collateral vessels and better at tackling old, hardened stasis. San Leng lacks Tu Bie Chong's bone-mending action. San Leng is typically paired with E Zhu for mass-dispersing purposes, while Tu Bie Chong is the choice when trauma or deep collateral-level stasis is the primary concern.

Identity & Adulterants

Related species and common adulterations to be aware of when sourcing Tu Bie Chong

The most common substitute is the "gold-edge ground beetle" (金边土鳖, Opisthoplatia orientalis), which is somewhat larger, purplish-black with a distinctive red border on the lower half of the back edge and a yellow-gold border on the upper half. It is mainly produced in Fujian, Hubei, Guangdong, and Guangxi. While it has some overlapping uses, it is a different species with different potency. The two official pharmacopoeia species (Eupolyphaga sinensis and Steleophaga plancyi) also differ in quality: the Jiangsu "Su Tu Yuan" (small, light, clean) is considered superior to the inland "Da Tu Yuan" or "Han Tu Yuan" (larger, heavier, often containing mud in the abdomen). Adulteration may include mixing in male specimens (which have wings and are considered less medicinally effective), excessive soil or debris, or using specimens that died naturally rather than being properly processed (scalded alive then dried). Male ground beetles have recently been confirmed to contain lower levels of bioactive compounds compared to females.

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

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Tu Bie Chong

Slightly toxic

Tu Bie Chong is classified as "slightly toxic" (有小毒) in the Chinese Pharmacopoeia. Its toxicity is primarily attributed to its alkaloid content and heterologous (foreign) proteins. At therapeutic doses, the most common adverse reaction is allergic skin rash (dense itchy papules over the whole body), which typically resolves within 1-2 days after stopping the herb. This is believed to be caused by the insect's foreign proteins stimulating an immune response. At higher doses (above 30g), symptoms may include nausea, dizziness, abdominal pain, and general weakness. There have also been reports of sinus bradycardia (slowed heart rate) at therapeutic doses. Acute toxicity studies on mouse models found the LD50 of the alkaloid extract to be 294.26 mg/kg, though the toxicity of isolated alkaloids differs significantly from that of the whole insect. Proper processing (scalding in boiling water, then drying, or dry-roasting until slightly charred) helps reduce toxicity. Staying within the recommended dosage range (3-10g in decoction, 1-1.5g as powder) and ensuring appropriate clinical indications are key to safe use.

Contraindications

Situations where Tu Bie Chong should not be used or requires extra caution

Avoid

Pregnancy. Tu Bie Chong is a powerful Blood-breaking herb that can stimulate uterine contractions and cause miscarriage. It is classified as a prohibited substance (禁用) during pregnancy in Chinese medical texts.

Avoid

Active bleeding or hemorrhagic conditions. As a strong Blood-moving and stasis-breaking substance, it can worsen active bleeding from any source.

Avoid

Known allergy or hypersensitivity. Tu Bie Chong contains heterologous proteins that can trigger allergic reactions including widespread itchy skin rashes (urticaria-like eruptions). People with a history of allergies to insect-derived substances should avoid it.

Caution

Elderly or physically weak patients without true Blood stasis. As a potent stasis-breaking herb, it can further deplete Qi and Blood in debilitated individuals. Use only when genuine Blood stasis is present, and combine with tonifying herbs.

Caution

During menstruation with heavy flow. Its powerful Blood-moving action may cause excessive menstrual bleeding. Use with caution and only under practitioner guidance if Blood stasis is clearly present.

Caution

Patients on anticoagulant or antiplatelet medications. Tu Bie Chong has demonstrated antithrombotic and anticoagulant properties that could have additive effects with blood-thinning drugs, increasing the risk of bleeding.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Contraindicated (禁用). Tu Bie Chong is a powerful Blood-breaking and stasis-dispersing substance with strong descending action. It can stimulate uterine contractions and promote blood flow to the uterus, posing a serious risk of miscarriage or premature labour. It is explicitly listed among pregnancy-prohibited (禁用) herbs in standard Chinese Pharmacopoeia and Materia Medica references, not merely as a caution-level (慎用) drug. It must not be used at any stage of pregnancy.

Breastfeeding

No formal safety studies exist on Tu Bie Chong during breastfeeding. Given its classification as slightly toxic and its content of biologically active proteins, alkaloids, and other potent compounds, there is a reasonable concern about transfer of these substances through breast milk. Its strong Blood-breaking properties could also theoretically affect the nursing infant. Avoidance during breastfeeding is generally recommended unless specifically prescribed by an experienced practitioner who has determined the benefits outweigh the risks.

Children

Tu Bie Chong may be used in children for specific conditions (historically it was used for infantile abdominal pain, night crying, and umbilical infections), but only under close practitioner supervision. Dosage should be significantly reduced according to age and body weight, typically one-third to one-half of the adult dose. Children are more susceptible to allergic reactions from the foreign proteins in this insect medicine. It should not be used in children who have known insect protein allergies. Long-term use in children is not recommended.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Tu Bie Chong

Anticoagulant and antiplatelet drugs (warfarin, heparin, aspirin, clopidogrel): Tu Bie Chong contains multiple serine proteases with demonstrated fibrinolytic (clot-dissolving) and anti-platelet aggregation activities. Co-administration with anticoagulant or antiplatelet drugs may produce additive or synergistic effects, significantly increasing the risk of bleeding. INR monitoring should be intensified if concurrent use cannot be avoided.

Thrombolytic agents (streptokinase, alteplase): The herb's inherent fibrinolytic enzymes (eupolytins) could potentiate the effects of pharmaceutical thrombolytics, raising the risk of haemorrhage.

Antihypertensive medications: Some clinical reports suggest that Tu Bie Chong-containing preparations may have blood pressure-lowering effects. Additive hypotensive effects are possible, though formal interaction studies are lacking.

Dietary Advice

Foods and dietary considerations when taking Tu Bie Chong

Traditionally, warm rice wine (黄酒) is used as a vehicle to swallow the powdered herb, as the alcohol is believed to enhance its Blood-moving effects and guide the medicine through the channels. Cold, raw, and greasy foods should be avoided during treatment, as they can impede Blood circulation and counteract the herb's stasis-dispersing action. In cases of Blood stasis with underlying deficiency, easily digestible, nourishing foods that support Blood production (such as red dates, dark leafy greens) are recommended.

Botanical Description

Physical characteristics and morphology of the Tu Bie Chong source animal

Tu Bie Chong is not a plant but a medicinal insect. It is the dried body of the female ground beetle, either Eupolyphaga sinensis Walker or Steleophaga plancyi (Boleny), belonging to the family Corydiidae (order Blattodea). These are wingless, nocturnal, burrowing insects that live in loose soil, beneath walls, and in damp, dark environments.

The body of E. sinensis (the more commonly used species) is flat and oval-shaped, approximately 1.3–3 cm long and 1.2–2.4 cm wide. The dorsal surface is purplish-brown and glossy, with nine overlapping abdominal segments arranged like roof tiles. The ventral surface is reddish-brown. The head is small with one pair of thread-like antennae (often broken off in the dried product), and the thorax bears three pairs of legs with fine hairs and spines. The insect has a characteristic rank, fishy odour and a slightly salty taste.

S. plancyi is slightly larger (2.2–3.7 cm long) with a black-brown back that often shows pale yellowish-brown patches and black dots along the margins. A third commercial variety, the "gold-edge ground beetle" (Opisthoplatia orientalis), is distinguished by its reddish-gold border but is less commonly used medicinally.

Sourcing & Harvesting

Where Tu Bie Chong is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

May to August. Wild specimens are captured by turning over loose soil or luring them with bait (toasted wheat bran with oil). Farmed specimens are harvested monthly, selecting mature adults while leaving juveniles to grow.

Primary growing regions

Eupolyphaga sinensis is mainly produced in Jiangsu, Zhejiang, Henan, Hubei, Anhui, Shandong, Hebei, Shanxi, Shaanxi, and Inner Mongolia. Jiangsu province (especially the "Su Tu Yuan" variety) is traditionally considered the best source, producing specimens that are small-bodied, light, and clean without mud in the abdomen. Henan has the largest production volume. Steleophaga plancyi is mainly produced in Hebei and Shandong. Both wild-caught and farmed specimens are used, with large-scale farming becoming increasingly common since the 1970s.

Quality indicators

Good quality Tu Bie Chong (Eupolyphaga sinensis, the "Su Tu Yuan" variety from Jiangsu) should be small-bodied, flat and oval, with a glossy purplish-brown dorsal surface. The specimen should be intact and complete, not fragmented. It should be light in weight with a clean abdomen (no mud or soil inside). The ventral surface should be reddish-brown. It has a characteristic fishy-rank odour and a slightly salty taste. The texture should be crisp and brittle. Avoid specimens that are damp, mouldy, heavily fragmented, or have a mud-filled abdomen (large, heavy specimens from inland provinces are generally considered lower quality, called "Da Tu Yuan" or "Han Tu Yuan"). The Steleophaga plancyi variety is somewhat larger with a black-brown back showing pale yellowish-brown spots at the margins.

Classical Texts

Key passages from the classical Chinese medical texts that describe Tu Bie Chong and its therapeutic uses

Shen Nong Ben Cao Jing (《神农本草经》)

Original: 「味咸寒，主心腹寒热洗洗，血积癥瘕，破坚，下血闭……生子大良。」

Translation: "Salty and cold in nature. It governs alternating cold and heat sensations in the chest and abdomen, Blood accumulations and abdominal masses, breaks up hardness, and opens Blood blockage... It greatly aids childbirth."

Ben Cao Gang Mu (《本草纲目》, Li Shizhen)

Original: 「行产后血积，折伤瘀血，治重舌木舌，口疮，小儿腹痛夜啼。」

Translation: "Moves postpartum Blood accumulation, treats fracture and traumatic Blood stasis, and treats overlapping tongue, wooden tongue, mouth sores, and children's abdominal pain with night crying."

Ben Cao Jing Shu (《本草经疏》)

Original: 「治跌打损伤，续筋骨有奇效。乃足厥阴经药也。咸能入血，故主心腹血积癥瘕血闭诸证……又治疟母为必用之药。」

Translation: "Treats traumatic injuries and has remarkable effects on reconnecting sinews and bones. It is a medicine of the Liver channel. Its salty nature allows it to enter the Blood, thus governing Blood accumulations, abdominal masses, and Blood blockage... It is also an essential medicine for treating malaria-induced splenomegaly."

Ben Cao Tong Xuan (《本草通玄》)

Original: 「破一切血积，跌打重伤，接骨。」

Translation: "Breaks all types of Blood accumulation; treats severe traumatic injuries and mends bones."

Yao Xing Lun (《药性论》)

Original: 「治月水不通，破留血积聚。」

Translation: "Treats menstrual blockage and breaks up retained Blood accumulations."

Historical Context

The history and evolution of Tu Bie Chong's use in Chinese medicine over the centuries

Tu Bie Chong has been used medicinally for over 2,000 years. Its earliest known medicinal use appears in Han dynasty medical bamboo slips unearthed at Wuwei, Gansu province. The Shen Nong Ben Cao Jing listed it as a "middle grade" (中品) medicine under the name Zhe Chong (蟅虫). The Liang dynasty physician Tao Hongjing noted that it was named "ground turtle" (土鳖) because its flat body resembles a turtle shell, and described it as having a mild foul smell, living in moist soil beneath walls.

The medical sage Zhang Zhongjing (Han dynasty) was the first recorded physician to use Tu Bie Chong in compound formulas for treating Blood stasis conditions. He employed it in four famous prescriptions in the Jin Gui Yao Lue: Da Huang Zhe Chong Wan (for chronic Blood stasis with emaciation and scaly skin), Bie Jia Jian Wan (for malarial splenomegaly), Xia Yu Xue Tang (for postpartum Blood stasis abdominal pain), and Tu Gua Gen San (for menstrual disorders). The modern master Liu Duzhou (20th century) was known for his extensive clinical use of Tu Bie Chong, particularly in treating liver fibrosis and cirrhosis, incorporating it into his Chai Hu Bie Jia Tang formula. The name "Tu Bie Chong" first appeared as the standard drug name in the Ming dynasty text Lei Gong Pao Zhi Yao Xing Jie. The herb appears in over 160 Chinese patent medicines listed in the modern Chinese Pharmacopoeia.

Modern Research

5 published studies investigating the pharmacological effects or clinical outcomes of Tu Bie Chong

1

Scoping review of the medicinal effects of Eupolyphaga sinensis Walker and the underlying mechanisms (Scoping Review, 2022)

Kim BS, et al. Journal of Ethnopharmacology, 2022, Volume 298, 115642

This scoping review examined 51 experimental studies on Eupolyphaga sinensis. It found that the insect was most commonly studied for cancer-related diseases, followed by endocrine and immune conditions. The review concluded that E. sinensis regulates the cell cycle, tumour suppressor genes, immune biomarkers, and antioxidant molecules, supporting its use as a beneficial medicinal insect for treating various diseases including cancer.

PubMed
2

A polysaccharide from Eupolyphaga sinensis Walker with anti-HBV activities in vitro and in vivo (Preclinical study, 2022)

Frontiers in Pharmacology, 2022, Volume 13, Article 827128

Researchers isolated a novel polysaccharide (ESPS) from E. sinensis and tested its antiviral effects against hepatitis B virus. ESPS significantly inhibited HBV markers (HBsAg, HBeAg, HBV DNA) in cell cultures in a dose-dependent manner. In HBV transgenic mice, ESPS at 20 and 40 mg/kg significantly reduced serum HBV markers and liver HBV DNA/RNA. The antiviral mechanism appeared to involve activation of the TLR4 signalling pathway and enhancement of innate immune response.

Link
3

A novel protein from Eupolyphaga sinensis inhibits adhesion, migration, and invasion of human lung cancer A549 cells (Preclinical study, 2013)

Biochemical and Biophysical Research Communications, 2013

Researchers purified a 72-kDa protein (EPS72) from E. sinensis and tested it against human lung cancer A549 cells. EPS72 showed potent anticancer activity with an IC50 of 18.76 microg/mL. It induced cancer cell detachment and apoptosis, inhibited cell adhesion to extracellular matrix proteins, and restrained cell migration and invasion, while significantly decreasing beta-1 integrin expression. The authors suggested EPS72 as a potential antimetastatic therapeutic agent.

PubMed
4

Proteomics and transcriptome analysis coupled with pharmacological test reveals the diversity of anti-thrombosis proteins from Eupolyphaga sinensis (Preclinical study, 2012)

Journal of Proteomics, 2012

Using proteomics and transcriptome analysis, researchers identified 105 serine proteases from E. sinensis belonging to four families. Pharmacological testing confirmed that five of these proteins (eupolytin 1-5) could hydrolyse fibrin/fibrinogen and/or activate plasminogen. This study revealed the remarkable diversity of antithrombotic components in the insect and provided molecular templates for developing new thrombolytic drugs.

PubMed
5

Enhanced therapeutic efficacy of Eupolyphaga sinensis Walker in females through sex-specific metabolomic-pharmacodynamic divergence (Preclinical study, 2025)

Scientific Reports, 2025, Volume 15

This study systematically compared female and male E. sinensis specimens using metabolomics and pharmacodynamics. Female specimens contained significantly higher levels of 8 bioactive compounds, 15 small peptides, and 13 prostaglandins compared to males, contributing to enhanced immunity, stronger antithrombotic effects, and improved bone metabolism. This provides a scientific basis for the traditional practice of using only female insects medicinally.

Link

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.