Niu Huang Qing Xin Wan

Cattle Gallstone Pill to Clear the Heart · 牛黄清心丸

Also known as: Niú Huáng Qīng Xīn Yuán (牛黄清心圆, Cattle Gallstone Pill to Clear the Heart), Júfāng Niú Huáng Qīng Xīn Wán (局方牛黄清心丸, Formulary Cattle Gallstone Pill to Clear the Heart), Tóngrén Niú Huáng Qīng Xīn Wán (同仁牛黄清心丸)

A classical formula for clearing intense Heat from the Heart and opening the mind's sensory gateways. It is used for high fevers with restlessness, confusion, or delirium, and for children's febrile convulsions. The formula works by strongly cooling internal Heat, resolving toxins, and calming the spirit.

Origin Dou Zhen Xin Fa (痘疹心法, Heart Method for Pox and Rashes), Volume 22, by Wan Quan (万全) — Ming dynasty, 1549 CE
Composition 6 herbs
Niu Huang
King
Niu Huang
Huang Lian
Deputy
Huang Lian
Huang Qin
Deputy
Huang Qin
Zhi Zi
Assistant
Zhi Zi
Yu Jin
Assistant
Yu Jin
Zhu Sha
Assistant
Zhu Sha
Explore composition

Educational content Consult qualified TCM practitioners for diagnosis and treatment

Patterns Addressed

In TCM, symptoms don't appear randomly — they cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Niu Huang Qing Xin Wan is designed to correct these specific patterns.

Why Niu Huang Qing Xin Wan addresses this pattern

When warm-pathogen Heat drives deep into the body and invades the Pericardium (the Heart's protective layer), it produces high fever, agitation, clouded consciousness, and delirium. The Heart houses the spirit (Shen), so when Heat scorches the Pericardium, the spirit becomes disturbed and consciousness dims. This formula directly targets this mechanism: Niu Huang penetrates the Pericardium to clear Heat-toxin and restore the orifices, Huang Lian and Huang Qin drain Heart and Lung Fire, Zhi Zi guides residual Heat downward for elimination, Yu Jin opens the blocked sensory pathways, and Zhu Sha anchors the unsettled spirit. The formula is classified as a "light" orifice-opening formula, best suited for cases where consciousness is clouded but not completely lost.

A practitioner would look for one or more of these signs

High Fever

Persistent high fever that does not resolve

Delirium

Delirious speech or incoherent muttering

Restlessness

Intense agitation and restlessness with Heat signs

Convulsions

Convulsions or limb twitching from Heat stirring Wind

Loss Of Consciousness

Drowsiness or clouded consciousness, though not complete coma

Commonly Prescribed For

These conditions can arise from the patterns above. A practitioner would consider Niu Huang Qing Xin Wan when these conditions are specifically caused by those patterns — not for all cases of these conditions.

TCM Interpretation

TCM understands viral encephalitis as an invasion by warm-Heat toxin (温热毒邪) that penetrates progressively deeper into the body, eventually reaching the nutritive (Ying) and Blood levels and invading the Pericardium. The Pericardium serves as the Heart's outer guardian, and when the Heat-toxin breaches it, the spirit (Shen) housed in the Heart becomes disturbed. This manifests as the high fever, delirium, and altered consciousness characteristic of the disease. The intense Heat also condenses Body Fluids into phlegm, which further blocks the Heart's orifices, and at extreme temperatures, the Heat stirs internal Wind, causing seizures and convulsions.

Why Niu Huang Qing Xin Wan Helps

Niu Huang Qing Xin Wan directly targets the Pericardium with Niu Huang, which clears Heat-toxin, opens blocked orifices, and calms Wind. Huang Lian provides the heavy-duty Fire-draining power needed for the intense Heat, while Huang Qin extends the cooling to the Lung and Upper Burner. Yu Jin breaks through the phlegm-stasis obstruction so the orifice-opening herbs can reach their target. For severe encephalitis with deep coma, this formula is often considered insufficient on its own and may be combined with stronger formulas like An Gong Niu Huang Wan.

Also commonly used for

Meningitis

Epidemic cerebrospinal meningitis with consciousness disturbance

High Fever

High fever with delirium from infectious diseases

Hepatic Encephalopathy

Hepatic coma with Heat signs

Pertussis

Whooping cough with Heat-phlegm pattern

Dysentery

Toxic dysentery with high fever and altered consciousness

Pneumonia

Severe pneumonia with high fever and mental cloudiness

What This Formula Does

Every TCM formula has a specific set of actions — here's what Niu Huang Qing Xin Wan does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Niu Huang Qing Xin Wan is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Niu Huang Qing Xin Wan performs to restore balance in the body:

How It Addresses the Root Cause

TCM doesn't just suppress symptoms — it aims to resolve the underlying imbalance. Here's how Niu Huang Qing Xin Wan works at the root level.

This formula addresses a complex clinical scenario where underlying deficiency and excess pathology coexist. The root of the problem is twofold: the body's Qi and Blood are insufficient (the "root" or Ben), while Wind, Phlegm, and Heat accumulate and obstruct the channels and orifices (the "branch" or Biao).

When Qi is weak and Blood is depleted, the body's defensive and nourishing functions falter. The Spleen fails to properly transform fluids, allowing Dampness to congeal into Phlegm. Meanwhile, latent Heat in the Heart and Liver agitates upward. This turbid Phlegm, combined with internal Heat and stirring of Liver Wind, surges upward to cloud the clear orifices of the mind. The Heart spirit (Shen) becomes disturbed, producing symptoms like confusion, slurred speech, dizziness, emotional instability, palpitations, and forgetfulness. In more severe cases, this Phlegm-Heat obstruction of the channels manifests as the prodrome or aftermath of stroke: facial paralysis, one-sided weakness, and difficulty walking or speaking.

The key insight behind this formula is that simply clearing Heat and resolving Phlegm would only address the branch while further depleting the patient's already weakened constitution. Conversely, purely tonifying Qi and Blood would risk trapping the pathogenic Phlegm and Heat. The disease mechanism demands a strategy that simultaneously clears the orifices, resolves Phlegm, calms the spirit, and replenishes the body's foundational Qi and Blood. This is the principle of "clearing within supplementation, supplementing within clearing" (清中有补,补中有清) that makes the formula so distinctive.

Formula Properties

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

Overall Temperature

Slightly Cool

Taste Profile

Complex blend of bitter, sweet, and acrid tastes. Bitter to clear Heat and dry Phlegm, sweet to tonify Qi and Blood and harmonize, acrid and aromatic to open orifices and move stagnation.

Ingredients

6 herbs

The herbs that make up Niu Huang Qing Xin Wan, organized by their role in the prescription

King — Main ingredient driving the formula
Deputy — Assists and enhances the King
Assistant — Supports or moderates other herbs
King — Main ingredient driving the formula
Niu Huang

Niu Huang

Cattle gallstone

Dosage 0.5 - 1g
Temperature Cool
Taste Bitter (苦 kǔ), Sweet (甘 gān)
Organ Affinity Heart, Liver
Preparation Ground separately into fine powder before combining

Role in Niu Huang Qing Xin Wan

The principal herb of this formula. Niu Huang is sweet and cool, entering the Heart and Liver channels. It powerfully clears Heat and resolves toxins, opens the orifices and dislodges phlegm, and calms internal Wind to stop convulsions. It directly enters the Pericardium to expel Heat-toxin and clear turbidity, restoring consciousness.
Deputies — Assists and enhances the King
Huang Lian

Huang Lian

Coptis rhizome

Dosage 9 - 15g
Temperature Cold
Taste Bitter (苦 kǔ)
Organ Affinity Heart, Liver, Stomach, Large Intestine, Gallbladder, Spleen
Preparation Used raw (生用) for maximum Heat-clearing effect

Role in Niu Huang Qing Xin Wan

The largest ingredient by weight. Huang Lian is bitter and cold, entering the Heart channel. It powerfully drains Heart Fire and clears Heat-toxin from the upper and middle burners, directly assisting the King herb in purging the intense Heat that has invaded the Heart and Pericardium.
Huang Qin

Huang Qin

Baical skullcap root

Dosage 6 - 9g
Temperature Cold
Taste Bitter (苦 kǔ)
Organ Affinity Lungs, Gallbladder, Spleen, Large Intestine, Small Intestine, Heart, Stomach

Role in Niu Huang Qing Xin Wan

Bitter and cold, Huang Qin specializes in clearing Heat from the Lung and Upper Burner. It works alongside Huang Lian to broadly clear Heat and dry Dampness from the Upper Jiao, preventing the spread of warm-pathogen Heat to the Lungs.
Assistants — Supports or moderates other herbs
Zhi Zi

Zhi Zi

Gardenia fruit

Dosage 6 - 9g
Temperature Cold
Taste Bitter (苦 kǔ)
Organ Affinity Heart, Lungs, San Jiao (Triple Burner)

Role in Niu Huang Qing Xin Wan

Bitter and cold, Gardenia clears Heat from all three burners and guides residual Heat downward to be eliminated through urination. This provides a drainage pathway for the Heat that the King and Deputy herbs are clearing from above, ensuring thorough resolution of the pathogen.
Yu Jin

Yu Jin

Turmeric tuber

Dosage 3 - 6g
Temperature Cold
Taste Acrid / Pungent (辛 xīn), Bitter (苦 kǔ)
Organ Affinity Heart, Liver, Lungs

Role in Niu Huang Qing Xin Wan

Acrid, bitter, and cold, Yu Jin enters the Heart and Liver channels to promote Qi movement, resolve Blood stasis, and cool the Blood. Crucially, it assists Niu Huang in opening the orifices by dispersing stagnant Qi and Blood that block the sensory pathways, acting as a vanguard that clears the path for the other herbs to reach the disease site.
Zhu Sha

Zhu Sha

Cinnabar

Dosage 1.5 - 4.5g
Temperature Cool
Taste Sweet (甘 gān)
Organ Affinity Heart
Preparation Must be processed by water-levigation (水飞) to minimize toxicity; not to be used long-term

Role in Niu Huang Qing Xin Wan

Sweet and cold, Zhu Sha enters the Heart channel where it heavily sedates and calms the spirit. It clears Heart Heat, protects Heart Yin, and anchors the unsettled mind. Its mineral heaviness provides a grounding, settling effect that counterbalances the restlessness and agitation caused by Heat disturbing the Heart.

Why This Combination Works

How the herbs in Niu Huang Qing Xin Wan complement each other

Overall strategy

When warm-pathogen Heat invades inward and penetrates the Pericardium (the Heart's protective envelope), it produces high fever, clouded consciousness, delirium, and convulsions. This formula directly assaults the Heat at its core while simultaneously opening the blocked sensory orifices and calming the agitated spirit.

King herb

Niu Huang (Bovine Bezoar) is the pivotal ingredient. Though used in a very small dose (under 1g), its aromatic, light, and penetrating nature allows it to go straight to the Pericardium, where it clears Heat-toxin, opens the orifices, dislodges phlegm, and quells internal Wind. It addresses all the major aspects of the pathology: Heat, phlegm obstruction, and Wind-stirring convulsions.

Deputy herbs

Huang Lian and Huang Qin form a powerful bitter-cold pair that broadly drains Fire and eliminates Heat-toxin. Huang Lian is the largest herb by weight in this formula and directly purges Heart Fire, reinforcing Niu Huang's Heat-clearing action. Huang Qin extends the clearing to the Lung and Upper Burner, cutting off the Heat before it can spread further. Together they ensure the Heat pathogen is thoroughly quenched.

Assistant herbs

Yu Jin (reinforcing assistant) is aromatic, acrid, and mobile. It promotes Qi movement and disperses Blood stagnation, helping to break through the sticky, turbid obstruction that Heat-phlegm creates in the orifices. Classical commentary describes it as the formula's "vanguard" that clears the path so the other medicines can reach the disease site. Shan Zhi Zi (reinforcing assistant) guides Heat downward through the urinary tract, providing a crucial exit route for the pathogen that the bitter-cold herbs are dislodging from above. Zhu Sha (restraining assistant) is heavy and mineral in nature. It sedates the spirit, calms fright, and protects Heart Yin from further damage by Heat. Its grounding, anchoring quality counterbalances the restlessness and delirium that the Heat produces.

Notable synergies

The Niu Huang and Yu Jin pairing is the formula's signature combination. Niu Huang penetrates the Pericardium to clear Heat and phlegm, while Yu Jin opens the Qi-Blood pathways so that Niu Huang can reach its target. The Huang Lian and Huang Qin pairing provides comprehensive Fire-draining coverage across the Heart, Lung, and Stomach channels, creating a broad Cold-bitter blanket that smothers the Heat pathogen from multiple angles.

How to Prepare

Traditional preparation instructions for Niu Huang Qing Xin Wan

Grind all six ingredients into a fine powder. Process Zhu Sha (Cinnabar) by water-levigation (水飞) to produce an extremely fine powder. Grind the Niu Huang (Bovine Bezoar) separately and then combine with the other powders. Sieve and mix thoroughly. Blend with refined honey (approximately 100-120g honey per 100g powder) to form large honey pills (大蜜丸), each weighing 1.5g.

Dosage: Adults take 2 pills per dose, 2-3 times daily, swallowed with warm water. Children's dosage should be reduced according to age. The original text describes forming very small pills (the size of millet grains) using a paste made from flour mixed with winter snow water, taken 7-8 pills at a time with Deng Xin Cao (rush pith) decoction.

Common Modifications

How practitioners adapt Niu Huang Qing Xin Wan for specific situations

Added
Qin Jiao

Shui Niu Jiao (水牛角, Water Buffalo Horn), 15-30g, as substitute for rhinoceros horn, to cool the Blood and clear Heat from the nutritive level

Lian Qiao

Lian Qiao (连翘), 9-12g, to clear Heat-toxin and disperse stagnation in the Upper Burner

When Heat has penetrated to the nutritive (Ying) and Blood levels, additional Blood-cooling is required. Shui Niu Jiao cools Blood-level Heat, and Lian Qiao clears Heat-toxin from the Upper Burner.

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

Contraindications

Situations where Niu Huang Qing Xin Wan should not be used or requires extra caution

Avoid

Pregnancy. The formula contains Zhu Sha (cinnabar/mercury sulfide), Xiong Huang (realgar/arsenic disulfide), She Xiang (musk), and Bing Pian (borneol), all of which pose risks to fetal development. Mercury and arsenic compounds are known reproductive toxicants, and She Xiang can stimulate uterine activity.

Avoid

Severe hepatic or renal impairment. Zhu Sha and Xiong Huang contain mercury and arsenic respectively, which are cleared through the liver and kidneys. Impaired organ function increases the risk of heavy metal accumulation and toxicity.

Avoid

High fever from acute warm-pathogen (Wen Bing) invasion with purely excess Heat and no underlying deficiency. Because the formula contains many tonifying and warming herbs (Ren Shen, Rou Gui, Gan Jiang, Dang Gui, etc.), it is not appropriate for purely excess Heat conditions where supplementation would trap the pathogen.

Caution

Prolonged use beyond the prescribed course. The formula contains Zhu Sha (cinnabar) and Xiong Huang (realgar), which carry risk of cumulative heavy metal toxicity with extended administration. It should be discontinued once symptoms improve.

Avoid

Patients with Cold-type stroke (Zhong Feng Han Bi) or Yang collapse patterns. This formula is designed for Wind-Phlegm with Heat blocking the orifices. Using it in Cold-collapse or Yang-deficiency patterns would be counterproductive.

Caution

Severe Zang-Fu stroke with deep coma (Zhong Zang Fu with complete loss of consciousness). The classical literature notes this formula is suited for milder channel-level stroke (Zhong Jing Luo), not the most severe organ-level presentations where An Gong Niu Huang Wan may be more appropriate.

Avoid

Individuals with known allergy to any component of the formula, particularly animal-derived ingredients such as Niu Huang, She Xiang, or Ling Yang Jiao.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Contraindicated in pregnancy. The formula contains multiple ingredients of concern: 1. Zhu Sha (cinnabar): contains mercury sulfide (HgS). Preclinical research indicates that cinnabar at doses as low as 1-3 times the standard clinical dose can cause reproductive toxicity, including increased embryo loss and reduced live fetal counts. 2. Xiong Huang (realgar): contains arsenic disulfide (As2S2). Animal studies in rabbits show reproductive toxicity including decreased live fetal rates and increased late embryonic loss. 3. She Xiang (musk): traditionally classified as a pregnancy-prohibited substance due to its ability to invigorate Blood circulation and potentially stimulate uterine contractions. 4. Bing Pian (borneol): preclinical data suggests reproductive toxicity risk at doses close to the clinical range. All major Chinese pharmacopoeia references and clinical guidelines list this formula as prohibited (禁用) during pregnancy. There are no circumstances under which this formula should be administered to pregnant women.

Breastfeeding

Use with extreme caution during breastfeeding, and generally not recommended. The formula contains Zhu Sha (cinnabar, containing mercury sulfide) and Xiong Huang (realgar, containing arsenic disulfide). Mercury and arsenic are known to transfer into breast milk, posing a risk of heavy metal exposure to the nursing infant. Infants are particularly vulnerable to heavy metal toxicity due to their immature hepatic and renal clearance mechanisms, lower body weight, and developing nervous systems. She Xiang (musk) is a potent bioactive substance that could potentially transfer into breast milk, though specific lactation data is lacking. If clinical necessity requires the use of this formula in a breastfeeding mother, temporary cessation of breastfeeding during treatment and for a period afterward should be considered. The Tongren version (without Zhu Sha and Xiong Huang) would be a safer alternative, though caution is still advised. Consultation with a qualified practitioner is essential.

Children

Historically, the classical text itself mentions pediatric use: the Ju Fang original states that for childhood convulsions (Xiao Er Jing Xian), the dosage should be appropriately reduced and administered dissolved in a warm bamboo leaf decoction. However, the presence of Zhu Sha (cinnabar) and Xiong Huang (realgar) raises significant safety concerns for children. Children are more susceptible to heavy metal toxicity due to their lower body weight, immature organ function, and developing nervous systems. If used, the dose must be strictly reduced according to the child's age and weight, and the duration must be kept as short as possible. The Wan Shi Niu Huang Qing Xin Wan (6-ingredient version) is more commonly used in pediatric settings for febrile convulsions and high fever. For the 29-ingredient Ju Fang version, typical pediatric guidance suggests children aged 8-15 may take half the adult dose, while younger children require further reduction. Use should be under close medical supervision only.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Niu Huang Qing Xin Wan

Anticoagulants and antiplatelet drugs (e.g. warfarin, aspirin, clopidogrel): The formula contains Chuan Xiong, Pu Huang, and Dang Gui, all of which promote Blood circulation. Combined use may increase bleeding risk. She Xiang (musk) also has blood-activating properties.

Sedatives and CNS depressants (e.g. benzodiazepines, barbiturates, opioids): Zhu Sha (cinnabar) and Niu Huang both have documented sedative and anticonvulsant effects. Concurrent use with pharmaceutical sedatives may produce additive CNS depression.

Antihypertensive medications: The formula has demonstrated blood-pressure-lowering effects in clinical use. Combined use with antihypertensive drugs may lead to excessive blood pressure reduction, particularly in elderly patients.

Cardiac glycosides (e.g. digoxin): Gan Cao (licorice) in the formula may cause potassium depletion with prolonged use, potentially increasing sensitivity to digoxin toxicity. Ling Yang Jiao also has cardiovascular effects that could interact.

Drugs metabolized by the liver (CYP substrates): The formula's complex composition may affect hepatic drug metabolism. Close monitoring is advisable when co-administering with drugs that have narrow therapeutic windows.

Other heavy-metal-containing medications or supplements: Concurrent use with other products containing mercury, arsenic, or lead would increase cumulative heavy metal burden and should be strictly avoided.

Usage Guidance

Practical advice for getting the most out of Niu Huang Qing Xin Wan

Best time to take

After meals, dissolved in warm water. The classical text specifies taking after food (食后服之). For the historical nighttime indication, it was taken before sleep dissolved in Deng Xin (rush pith) decoction.

Typical duration

Short-term or episodic use: typically 3-7 days for acute presentations, reassessed frequently. Not for long-term use due to Zhu Sha and Xiong Huang content.

Dietary advice

While taking this formula, avoid greasy, deep-fried, and rich foods, as these generate Dampness and Phlegm, directly counteracting the formula's Phlegm-resolving action. Avoid spicy, heavily seasoned, or stimulating foods (chili, strong alcohol, excessive garlic), which can generate internal Heat and agitate the spirit. Favor easily digestible, mild-natured foods such as congee, steamed vegetables, and light soups. This supports the Spleen-tonifying herbs in the formula and prevents additional digestive burden. Avoid raw and cold foods, which can impair Spleen function and obstruct the formula's ability to transform Dampness. Refrain from consuming strong tea or coffee, as the caffeine may counteract the spirit-calming properties of the formula.

Niu Huang Qing Xin Wan originates from Dou Zhen Xin Fa (痘疹心法, Heart Method for Pox and Rashes), Volume 22, by Wan Quan (万全) Ming dynasty, 1549 CE

Classical Texts

Key passages from the classical Chinese medical texts that first described Niu Huang Qing Xin Wan and its clinical use

《太平惠民和剂局方》卷一 · 治诸风

Original indication text: 「治诸风缓纵不随,语言謇涩,心怔健忘,恍惚去来,头目眩冒,胸中烦郁,痰涎壅塞,精神昏愦。又治心气不足,神志不定,惊恐怕怖,悲忧惨戚,虚烦少睡,喜怒无时,或发狂颠,神情昏乱。」

Translation: "Treats all Wind patterns with flaccid paralysis and loss of motor control, slurred and difficult speech, palpitations and forgetfulness, mental confusion with a sense of drifting in and out, dizziness and blurred vision, oppression and melancholy in the chest, congestion of Phlegm and saliva, and a dull confused spirit. Also treats insufficiency of Heart Qi with unsettled spirit and mind, fear and terror, grief and deep sadness, restless vexation with little sleep, unpredictable joy and anger, or manic-depressive episodes and mental derangement."

《四库全书总目提要》on the Ju Fang formula:

「且以牛黄清心丸一方言之,凡用药二十九味,寒热讹杂,殊不可晓。」

Translation: "Taking the single formula of Niu Huang Qing Xin Wan as an example, it uses twenty-nine ingredients with cold and hot properties mixed together, which is quite difficult to comprehend." (This famous remark reflects the formula's unique strategy of balancing cooling and warming ingredients, which puzzled some later commentators but is central to its clinical versatility.)

Historical Context

How Niu Huang Qing Xin Wan evolved over the centuries — its origins, lineage, and place in the broader tradition of Chinese medicine

Niu Huang Qing Xin Wan has one of the most fascinating evolutionary histories in Chinese medicine, spanning nearly two millennia of development across multiple dynasties.

Han Dynasty origins: The formula's ancestor is Shu Yu Wan (薯蓣丸), recorded in Zhang Zhongjing's Jin Gui Yao Lue (c. 200 CE) as a premier formula for treating consumptive deficiency (Xu Lao). Shu Yu Wan was essentially a Qi-and-Blood-tonifying formula built around Chinese yam (Shan Yao) with supplementing herbs like Ren Shen, Bai Zhu, Dang Gui, and Chuan Xiong.

Song Dynasty transformation: By the Song period, physicians observed that patients with chronic deficiency conditions were developing stroke-like symptoms. To address this new clinical reality, they modified Shu Yu Wan by adding eight Heat-clearing and orifice-opening substances, including Niu Huang (ox gallstone), She Xiang (musk), Ling Yang Jiao (antelope horn), Xi Jiao (rhinoceros horn), Xiong Huang (realgar), Zhu Sha (cinnabar), Bing Pian (borneol), and Huang Qin (scutellaria). The renamed formula, "Niu Huang Qing Xin Yuan" (牛黄清心圆), was submitted to the Imperial Medical Bureau and published in the Tai Ping Hui Min He Ji Ju Fang (太平惠民和剂局方), Volume 1, under the category of "Treating Wind Disorders." This text, first compiled during the Northern Song and revised in 1151 CE, was China's first government-published pharmaceutical formulary.

Qing Dynasty and the Imperial Court: During the Qing Dynasty, the formula was further refined as a palace secret prescription (宫廷秘方) for exclusive imperial use. During the Kangxi era, Yue Zunyu (乐尊育), who served as an official in the Imperial Medical Academy, founded the Tongrentang pharmacy. His descendants upheld the formula's high standards, eventually developing what became known as the Tongrentang version. In the 1990s, Tongrentang created the "Tongren Niu Huang Qing Xin Wan" by removing Zhu Sha and Xiong Huang to improve safety.

The "Wan Shi" version: Separately, the Ming Dynasty physician Wan Quan (万全) created a much simpler 6-ingredient formula also called Niu Huang Qing Xin Wan in his work Dou Zhen Shi Yi Xin Fa (痘疹世医心法, c. 1568). This version focuses purely on clearing Heart Heat and opening orifices, without the tonifying strategy. The remarkable An Gong Niu Huang Wan, developed by Wu Jutong in the Qing Dynasty, is said to have been derived through modification of the original Niu Huang Qing Xin Wan.