Ingredient Animal — whole (全虫 quán chóng)

Wu Shao She

Black-striped snake · 乌梢蛇

Zaocys dhumnades (Cantor) · Zaocys

Also known as: Wu She (乌蛇)

Wu Shao She (Black-striped snake) plant

Images shown are for educational purposes only

Wu Shao She is the dried body of a non-venomous black-striped snake used in Chinese medicine to address joint pain, stiffness, numbness, and certain skin conditions. It works by driving out Wind and Dampness from the body and opening up blocked pathways of circulation. It is gentler than its venomous relative Bai Hua She (white-patterned snake) and is often used for stubborn rheumatic conditions, post-stroke symptoms, and itchy skin disorders.

Category Wind-Damp dispelling herbs (祛风湿药)
Therapeutic focus Joint and Muscle Health Skin Health Neurological Health Stroke Recovery

TCM Properties

Temperature

Neutral

Taste

Sweet (甘 gān)

Channels entered

Liver

Parts used

Animal — whole (全虫 quán chóng)

Available in our store
View in Store
From $119.00

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 Wu Shao She does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Wu Shao She is primarily used to support these areas of health:

Joint and Muscle Health Skin Health Neurological Health Stroke Recovery

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Wu Shao She performs to restore balance in the body:

Dispels Wind-Dampness Unblocks the Channels and Collaterals Extinguishes Wind and Stops Spasms Dispels Wind and Stops Itching

How these actions work

'Dispels Wind-Dampness' means this substance drives out Wind and Dampness that have lodged in the muscles, joints, and channels. In TCM, when Wind and Dampness invade and settle in the body, they cause joint pain, stiffness, swelling, and difficulty moving. Wu Shao She has a searching, penetrating quality that allows it to reach deep into the joints and sinews to expel these pathogenic factors. It is especially valued for stubborn, long-standing cases of joint obstruction (called Bi syndrome) that have resisted other treatments.

'Unblocks the channels and collaterals' refers to its ability to open up blocked pathways of Qi and Blood flow. When channels are obstructed, numbness, tingling, muscle weakness, or even paralysis can result. Wu Shao She's nature as a snake gives it a mobile, penetrating quality that is well suited to reaching into the fine network vessels (collaterals). This is why it is commonly used for post-stroke symptoms like facial deviation, limb numbness, and one-sided paralysis.

'Extinguishes Wind and stops spasms' means it can calm internal Wind that causes involuntary muscle contractions, tremors, and convulsions. This applies to conditions like childhood convulsions and tetanus, where Wind causes the body to seize up with rigid, spasmodic movements.

'Dispels Wind to relieve itching' describes its use for skin conditions driven by Wind, including persistent itching, hives, eczema, and scaly skin diseases. Wind in the skin layer causes itching that migrates or is difficult to pin down, and Wu Shao She's wind-dispelling action addresses this root cause.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Wu Shao She is used to help correct these specific patterns.

Why Wu Shao She addresses this pattern

Wind-Damp Bi Syndrome occurs when Wind and Dampness invade the channels and lodge in the joints, causing pain, heaviness, stiffness, and impaired movement. Wu Shao She enters the Liver channel, which governs the sinews and tendons, giving it direct access to the structures most affected by this pattern. Its sweet, neutral nature means it can be used safely over longer courses for stubborn, chronic cases. As a snake-derived substance, it has a mobile, penetrating quality that allows it to search through the channels and collaterals, driving out deeply lodged Wind-Dampness that ordinary Wind-dispelling herbs cannot reach. This is why classical texts note it is especially suitable for obstinate Bi syndrome (顽痹) that has been difficult to resolve.

A practitioner would look for one or more of these signs

Moving Pain

Wandering or fixed joint pain aggravated by weather changes

Joint Stiffness

Difficulty bending and extending limbs

Skin Numbness

Numbness and heaviness in the limbs

Muscle Spasm

Muscle cramping or contracture in the extremities

Commonly Used For

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

Arises from: Wind-Damp

TCM Interpretation

TCM understands rheumatoid arthritis primarily as a form of Bi syndrome (painful obstruction), caused by Wind, Dampness, and sometimes Cold or Heat invading the channels and settling in the joints. Over time, these pathogenic factors obstruct the flow of Qi and Blood, leading to joint swelling, pain, stiffness, and eventual deformity. The Liver governs the sinews, and the Spleen manages the transformation of Dampness, so both organ systems are implicated. Chronic cases often involve a combination of excess pathogenic factors (lingering Wind-Dampness) and underlying deficiency (weakened Qi and Blood unable to drive out the invaders).

Why Wu Shao She Helps

Wu Shao She's penetrating, channel-searching nature makes it particularly well suited for the stubborn, chronic nature of rheumatoid arthritis. Ordinary Wind-Dampness dispelling herbs may not reach deep enough into the joints and collaterals where pathogenic factors have become entrenched over months or years. As a snake medicine, Wu Shao She can travel through the fine network vessels to dislodge Wind and Dampness from these deep locations. Its neutral temperature means it does not add Heat or Cold to an already complex situation, making it adaptable to both Hot-type and Cold-type Bi presentations when combined with appropriate partner herbs. Its Liver channel affinity directly supports the sinews and tendons that are affected in this condition.

Also commonly used for

Osteoarthritis

Degenerative joint pain with stiffness and reduced mobility

Eczema

Chronic itchy, inflamed skin

Urticaria

Recurrent hives and itching

Hemiplegia

Post-stroke one-sided paralysis

Sciatica

Nerve pain along the lower limb

Epilepsy

Seizures and convulsions, used as part of multi-herb formulas

Tetanus

Muscle rigidity and spasms from tetanus

Skin Numbness

Peripheral numbness and tingling

Ingredient Properties

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

Temperature

Neutral

Taste

Sweet (甘 gān)

Channels Entered

Liver

Parts Used

Animal — whole (全虫 quán chóng)

Dosage & Preparation

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

Standard dosage

9-12g

Maximum dosage

Up to 15g in decoction for stubborn Wind-Damp conditions; when ground into powder for oral administration, 2-3g per dose is the typical upper limit.

Dosage notes

The standard decoction dose is 9-12g. When ground into fine powder and taken directly (swallowed with water or wine), the dose is much lower at 2-3g per dose, since powder is absorbed more efficiently than a strained decoction. Wu Shao She is also commonly prepared as a medicinal wine by soaking the whole snake in grain alcohol for 10-15 days, taken in small doses of 5-10ml per serving. Wine preparation enhances its channel-opening properties. For milder conditions such as skin itching, the lower end of the dosage range is sufficient. For stubborn Wind-Damp painful obstruction or post-stroke symptoms, the higher end may be used.

Preparation

Wine-processing (酒炙, jiǔ zhì) is the most common preparation method: snake segments are sprinkled with rice wine, allowed to soak through, then dry-fried over gentle heat until slightly yellow. This enhances the herb's ability to penetrate the channels. The head and scales should always be removed before use. When using whole dried snake for wine infusion, the head and tail skin are retained for identification but the head is removed before consumption.

Processing Methods

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

Processing method

The raw snake is soaked in yellow rice wine (Huang Jiu) until thoroughly moistened, then the skin and bones are removed. The remaining flesh is cut into segments and dried.

How it changes properties

Removing the skin and bones eliminates the fishy smell and any mildly toxic components associated with the head and scales. The wine processing enhances the herb's channel-entering and Blood-moving properties, slightly warming its action. The resulting flesh is easier to digest and milder on the stomach.

When to use this form

When the herb is taken orally as a decoction or powder for long-term use, or when patients have a sensitive stomach and cannot tolerate the raw form's strong fishy taste.

Common Ingredient Pairs

These ingredients are traditionally combined with Wu Shao She for enhanced therapeutic effect

Bai Hua She She Cao
Bai Hua She She Cao 1:1 to 1:2 (Bai Hua She : Wu Shao She)

Bai Hua She (white-patterned snake) is warm, more powerful, and has stronger Wind-dispelling and channel-searching action, while Wu Shao She is neutral and gentler. Used together, they provide a layered Wind-expelling effect that combines Bai Hua She's forceful penetration with Wu Shao She's milder, sustained action, achieving thorough clearance of Wind-Dampness from channels.

When to use: Severe, obstinate Wind-Damp Bi syndrome, chronic post-stroke symptoms, or tetanus where maximum Wind-expelling power is needed.

Quan Xie
Quan Xie Wu Shao She 9g : Quan Xie 3g

Quan Xie (scorpion) excels at extinguishing Wind and stopping spasms with a penetrating, unblocking action on the collaterals. Combined with Wu Shao She, the pair provides powerful Wind-extinguishing and channel-opening effects that neither achieves as strongly alone, addressing both the spasm and the underlying channel obstruction.

When to use: Convulsions, spasms, tetanus, childhood seizures, or severe Wind-Bi with spasticity and contracture.

Wu Gong
Wu Gong Wu Shao She 9g : Wu Gong 1-2 pieces

Wu Gong (centipede) is acrid, warm, and strongly extinguishes Wind while unblocking collaterals. Paired with the neutral Wu Shao She, the two insect/animal medicines create a potent combination for searching out Wind in deep channels and stopping spasms, with Wu Gong providing intensity and Wu Shao She providing breadth of action.

When to use: Severe spasms, convulsions, tetanus, stubborn Bi syndrome with muscle contracture, or post-stroke spasticity.

Fang Feng
Fang Feng 1:1 (equal parts)

Fang Feng dispels external Wind from the body surface and is a premier Wind-dispelling herb for the upper body and skin. Combined with Wu Shao She's deeper channel-penetrating action, the pair addresses Wind at both superficial and deep levels, providing comprehensive Wind elimination from skin to joints.

When to use: Wind-Bi with skin involvement (itching, rashes) alongside deeper joint pain and stiffness, or skin conditions driven by Wind.

Comparable Ingredients

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

Bai Hua She She Cao
Wu Shao She vs Bai Hua She She Cao

Both are snake medicines that dispel Wind-Dampness, unblock channels, and stop spasms. Bai Hua She (Agkistrodon/Bungarus) is warm, more potent, and toxic, making it appropriate for severe, stubborn conditions but requiring careful dosing. Wu Shao She is neutral, non-toxic, and gentler, making it safer for longer-term use and milder presentations. Classical texts note that Wu Shao She's actions are the same as Bai Hua She but weaker in strength. Wu Shao She is the preferred first choice in clinical practice when the situation does not demand the full force of a venomous snake medicine.

Wei Ling Xian
Wu Shao She vs Wei Ling Xian

Both dispel Wind-Dampness and unblock channels for Bi syndrome. Wei Ling Xian (Clematis root) is acrid, salty, and warm, and is a plant-based herb that strongly opens channels and can soften and dissolve fish bones. Wu Shao She, as an animal medicine, has a deeper, more penetrating action into the collateral network and also addresses spasms and skin conditions, which Wei Ling Xian does not. For simple Wind-Damp Bi, Wei Ling Xian may suffice; for deeply entrenched or chronic Bi with numbness, paralysis, or skin manifestations, Wu Shao She offers advantages.

Di Long
Wu Shao She vs Di Long

Both are animal-derived substances that unblock channels and collaterals. Di Long (earthworm) is salty, cold, and also clears Heat, calms asthma, and promotes urination, making it better suited for Heat-type Bi and febrile convulsions. Wu Shao She is neutral and has stronger Wind-Dampness dispelling and skin-directed actions. For Wind-Damp Bi and itchy skin conditions, Wu Shao She is preferred; for Heat Bi or convulsions with high fever, Di Long is more appropriate.

Common Substitutes & Adulterants

Related species and common adulterations to be aware of when sourcing Wu Shao She

Wu Shao She is frequently adulterated or substituted in the commercial market. Common substitute species include Elaphe taeniurus (stripe-tailed ratsnake), Elaphe rufodorsata (red-backed ratsnake), Elaphe carinata (king ratsnake), and Sinonatrix annularis (ringed water snake). These species have similar morphology when processed and dried but differ in therapeutic properties. The key identifying features of authentic Wu Shao She are: the strongly raised "sword ridge" dorsal keel formed by the central 2-4 rows of back scales, the characteristic double black longitudinal lines along the back, 8 upper labial scales with the 4th and 5th entering the eye orbit, and paired subcaudal scales. Modern DNA-based authentication methods (PCR, COI barcoding) have been developed for definitive identification. The Chinese Pharmacopoeia now includes a PCR-based identification test for Wu Shao She.

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

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Wu Shao She

Non-toxic

Wu Shao She is classified as non-toxic in the Chinese Pharmacopoeia. The Ben Cao Gang Mu explicitly states its nature is "善无毒" (mild and non-toxic), distinguishing it from the venomous Bai Hua She (pit viper). The living snake itself is non-venomous. No specific toxic components have been identified in the processed medicinal product. The main safety concern is allergic reaction in sensitive individuals rather than inherent toxicity. Proper processing (removing the head and scales, and often wine-processing) ensures the product is clean and safe. Spoiled or insect-damaged material should be discarded, as decomposed animal products may harbor harmful bacteria.

Contraindications

Situations where Wu Shao She should not be used or requires extra caution

Avoid

Pregnancy. Wu Shao She has wind-dispelling and channel-unblocking properties that may stimulate uterine activity. Pregnant women should avoid this herb.

Caution

Blood deficiency causing internal Wind. When tremors or spasms are due to Blood deficiency rather than true Wind pathogen, Wu Shao She's strong Wind-dispelling action may further deplete Yin and Blood. Tonify Blood first or concurrently.

Caution

Spleen and Stomach deficiency with poor digestion. As an animal-based medicinal, Wu Shao She is relatively difficult to digest and may burden a weak digestive system, causing nausea or discomfort.

Avoid

Known allergy to snake-derived products. Allergic reactions including difficulty breathing and facial swelling have been reported in sensitive individuals.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Contraindicated during pregnancy. Wu Shao She is a Wind-dispelling and channel-unblocking medicinal with penetrating properties that course through the channels and collaterals. These dispersing and mobilizing actions could theoretically disturb fetal stability. While the Chinese Pharmacopoeia does not specifically list pregnancy as a contraindication for Wu Shao She itself, formulas containing it (such as Wu She Zhi Yang Wan) are labelled "pregnant women prohibited." The cautious approach is to avoid use during pregnancy.

Breastfeeding

No specific data exists on the safety of Wu Shao She during breastfeeding. As an animal-derived medicinal with Wind-dispelling properties, its components could theoretically pass into breast milk. The cautious approach is to avoid use during breastfeeding unless specifically prescribed by a qualified practitioner who has assessed the individual situation. If used, monitor the infant for any unusual reactions.

Children

Wu Shao She has been used historically in pediatric practice, particularly for childhood convulsions and neonatal tetanus (as recorded in classical formulas). However, dosage should be significantly reduced for children. Powdered form at very small doses (approximately 0.5-1g) is more commonly used for children than full decoction. Use should always be under the guidance of a qualified practitioner. Not suitable for infants without specific clinical indication and professional supervision.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Wu Shao She

No well-documented pharmacological drug interactions have been established for Wu Shao She in the modern literature. As an animal-derived medicinal composed primarily of proteins, amino acids, and fats, significant drug interactions are unlikely at standard doses. However, given its Wind-dispelling and channel-unblocking nature:

  • Theoretically, concurrent use with immunosuppressant medications should be approached with caution, as snake-derived proteins may have immunomodulatory effects.
  • Individuals on anticoagulant or antiplatelet therapy should inform their practitioner, as the channel-unblocking action may have mild blood-moving effects.

Clinical data on specific drug interactions is lacking. Patients on pharmaceutical medications should consult both their prescribing physician and TCM practitioner before using Wu Shao She.

Dietary Advice

Foods and dietary considerations when taking Wu Shao She

When taking Wu Shao She for Wind-Damp conditions, avoid cold and raw foods that may obstruct the Spleen and generate Dampness, counteracting the herb's therapeutic intent. Some classical sources advise avoiding chicken, goose, fish, and other "stirring" foods (发物, fā wù) that may aggravate Wind conditions. Warm, easily digestible foods are preferred. When taken as medicinal wine, avoid combining with other alcoholic beverages or excessively spicy foods.

Botanical Description

Physical characteristics and morphology of the Wu Shao She source animal

Wu Shao She is not a plant but an animal-derived medicinal. It comes from the Chinese ratsnake (Ptyas dhumnades, formerly Zaocys dhumnades), a large, non-venomous colubrid snake. Adults can reach over 2 metres in total length, with a relatively stout body. The dorsal surface is greyish-brown to blackish-brown, with two prominent dark longitudinal lines running the length of the body. The dorsal ridge is distinctively raised, giving the back a sharp, roof-like profile known as "sword ridge" (剑脊, jiàn jǐ). Juvenile snakes are greyish-green with four dark lines along the back.

This snake inhabits low to mid-elevation areas below 1,600 metres, favouring farmland edges, riverbanks, hillsides, and sometimes villages. It is oviparous, laying 9–14 eggs per clutch between late June and mid-July. It feeds on frogs, rodents, and small birds. It is found across much of eastern, central, and southwestern China.

Sourcing & Harvesting

Where Wu Shao She is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

Summer and autumn (approximately April to November), with summer being the primary season.

Primary growing regions

Mainly produced in southern and eastern China. Key producing provinces include Zhejiang, Jiangsu, Hubei, Hunan, Guangdong, Guangxi, Fujian, and Guizhou. Zhejiang and Jiangsu have historically been considered premium sources. The snake is also found in Anhui, Henan (southern parts), Sichuan, Yunnan, Jiangxi, Shaanxi, Gansu, and Taiwan, though some of these regions produce only small quantities. Both wild-caught and farmed specimens are used, though overharvesting of wild populations has become a conservation concern.

Quality indicators

Good quality Wu Shao She should have a complete body with intact head and tail. The skin should be dark black-brown or greenish-black with clearly visible diamond-shaped scales. The distinctive raised dorsal ridge ("sword ridge") should be prominent, with the central 2-4 rows of back scales strongly keeled. The cross-section should show thick, yellowish-white or light brownish flesh with neatly arranged ribs visible. The eyes should be large and slightly concave with a glossy appearance. The overall smell is mildly fishy, and the taste is bland. Avoid specimens that are broken, have missing heads or tails, are heavily infested with insects, or show signs of mold. Wine-processed pieces should have a slightly deeper colour with a faint wine aroma.

Classical Texts

Key passages from the classical Chinese medical texts that describe Wu Shao She and its therapeutic uses

《开宝本草》(Kāi Bǎo Běn Cǎo, Song Dynasty)

Original: 主诸风瘙瘾疹，疥癣，皮肤不仁，顽痹诸风。

Translation: Governs various Wind conditions with itching and rashes, scabies and tinea, numbness of the skin, and stubborn painful obstruction from various Winds.

《本草纲目》(Běn Cǎo Gāng Mù, Li Shizhen, Ming Dynasty)

Original: 功与白花蛇同而性善无毒。

Translation: Its actions are the same as Bai Hua She (white-patterned snake), but its nature is mild and non-toxic.

《药性论》(Yào Xìng Lùn, Tang Dynasty)

Original: 治热毒风，皮肤生疮，眉须脱落，瘑痒疥等。

Translation: Treats Heat-toxin Wind, skin sores, loss of eyebrows and beard, itching and scabies.

《本草衍义》(Běn Cǎo Yǎn Yì, Kou Zongshi, Song Dynasty)

Kou Zongshi noted that among the snake medicines, Wu Shao She was one of the earliest used in medicinal practice, referring to it as "剑脊乌梢" (sword-ridged black-tipped snake).

Historical Context

The history and evolution of Wu Shao She's use in Chinese medicine over the centuries

Wu Shao She was first recorded as a medicinal substance in the Lei Gong Pao Zhi Lun (雷公炮炙论) of the Southern Dynasties period (5th–6th century CE), where it was referred to simply as "乌蛇" (black snake). Its use became more widely documented in the Song Dynasty Kai Bao Ben Cao (开宝本草, 973 CE), which described its Wind-dispelling and channel-unblocking actions. The Tang Dynasty text Chao Ye Qian Zai (朝野佥载) contains a famous anecdote about a man from Shangzhou who suffered from severe leprosy; his family built him a hut in the mountains, where a black snake fell into his wine jar unnoticed. After drinking the wine over time, his disease gradually healed. This story became one of the most cited classical accounts supporting the medicinal use of snake-infused wine for stubborn skin and Wind conditions.

The name "乌梢蛇" literally means "black-tipped snake," referring to the dark coloration of its tail and body. It is also called "剑脊蛇" (sword-ridged snake) due to the prominently raised dorsal ridge that resembles the spine of a sword. Li Shizhen in the Ben Cao Gang Mu noted that Wu Shao She has the same therapeutic actions as the more powerful (and venomous) Bai Hua She (white-patterned pit viper), but is milder and safer. The renowned modern insect and animal medicinals specialist Zhu Liangchun observed that Wu Shao She's price was about one-twelfth that of Bai Hua She, and recommended it for milder conditions while reserving Bai Hua She for severe, stubborn cases.

Modern Research

2 published studies investigating the pharmacological effects or clinical outcomes of Wu Shao She

1

Application of COI barcode sequence for the identification of snake medicine (Zaocys) (Molecular identification study, 2014)

Cao S, Guo L, Luo H, Yuan H, Chen S, Zheng J, Lin R. Mitochondrial DNA A DNA Mapping, Sequencing and Analysis, 2016; 27(1): 483-489.

This study used DNA barcoding (COI gene sequences) from 51 samples across 17 snake species to develop a reliable method for distinguishing authentic Wu Shao She from counterfeits. The genetic distance analysis confirmed that Wu Shao She can be clearly separated from substitute species, providing a scientific tool for quality control in the herbal medicine market.

PubMed
2

Homogeneous fluorescent specific PCR for the authentication of medicinal snakes using cationic conjugated polymers (Authentication method study, 2015)

Published in Analytical Chemistry-related journal, 2015.

Researchers developed a novel label-free, one-step detection method combining rapid PCR with conjugated polyelectrolytes to authenticate three medicinal snake species including Wu Shao She. The method successfully distinguished 35 authentic specimens from 48 morphologically similar counterfeits by visual inspection under UV light, offering a high-throughput approach for drug quality screening.

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.