Fruits and seedsHemostaticArachidis Testa

Hua Sheng Yi (Peanut Skin (Seed Coat))

A practical guide to Hua Sheng Yi: what it is, how Traditional Chinese Medicine uses it, the classical formulas it appears in, and who should be careful with it.

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Last reviewed Oct 29, 2026

Quick Facts

Latin Name	Arachidis Testa
Chinese Name & Pinyin	花生衣 · Hua Sheng Yi
Medicinal Part	Fruits and seeds
The item	Hua Sheng Yi is the red seed coat of the peanut kernel. Hong Teng (sargentodoxa stem) and other blood-harmonizing herbs are not this drug.
Nature and channels	Neutral, sweet, slightly astringent. Enters the Spleen and Liver. Neutral sweet astringent astringes bleeding, nourishes the blood, and harmonizes the blood.
Pharmacopoeia line	Astringes and stops bleeding; nourishes the blood and harmonizes the blood. Used for qi-blood deficiency with mild bleeding.
Pattern cues	Mild nosebleed. Bleeding gums. Heavy or prolonged periods. Sallow face. Dizziness and fatigue. Palpitations and poor sleep.
In this article	Hua Sheng Yi versus Hong Teng. Astringing and nourishing versus invigorating and unblocking. Why excess-heat bodies should skip it. Home tea and porridge.

What Is Hua Sheng Yi?

Hua Sheng Yi (花生衣; Huā Shēng Yī; Latin: Arachidis Testa; English: peanut skin, red peanut seed coat) is the thin red seed coat that wraps the peanut kernel — the papery red skin most people peel off and toss away, which is itself a medicinal herb. It is neutral in nature, sweet with a slight astringent note, enters the Spleen and Liver channels, and its core actions are to astringe and stop bleeding, and to nourish the blood and harmonize the blood. The usual amount is 6–10 g in a decoction, with less in daily teas. It is a mild food-medicine herb — no special decoction step. Not for self-use in excess-heat bleeding or pregnancy without guidance.

It is not Hong Teng. Sargentodoxa stem also harmonizes the blood — it is neutral and bitter, leaning to invigorating the blood, unblocking the channels, and clearing heat-toxin, for stasis with damp-heat; this red seed coat leans to astringing, holding the blood in, and gently nourishing — for qi-blood deficiency with mild bleeding. It is not a general bleeding or blood herb; it acts within clear patterns. In excess-heat bleeding — bleeding with a dry mouth, bound stools — using it on your own is a poor match. Heavy or sudden bleeding, or a markedly unwell child, needs a clinic first. Do not use it yourself for a long time.

It is used most often for three patterns:

Qi not holding the blood — mild nosebleed, bleeding gums, heavy or prolonged periods
Qi-blood deficiency — a sallow face, dizziness and fatigue, palpitations and poor sleep from long-standing blood loss
Excess-heat bleeding, pregnancy, or heavy sudden bleeding — seek care / skip it

Neutral, sweet, and astringent, it is not a daily "blood-nourishing tea" to keep drinking. Astringing when there is no deficiency, or in an excess-heat body, holds the heat in instead of helping.

When the spleen is weak and the qi fails to hold the blood — mild nosebleed, bleeding gums, heavy or prolonged periods — or when long blood loss leaves the face sallow and the spirit tired, the body needs a gentle astringe-and-nourish rather than a strong build-up. Hua Sheng Yi is neutral, sweet, and astringent. It holds the blood, nourishes the qi-blood, and harmonizes the blood, which is why it appears in Hua Sheng Yi Jian (Peanut-Skin Decoction)–type formulas. It holds more than it pushes. In excess-heat bleeding, or in a phlegm-damp body, more makes it worse.

Hua Sheng Yi is not a catch-all bleeding or blood herb. In excess-heat bleeding, in pregnancy, or without deficiency, using it alone is a poor match. Whether it belongs in a formula, and at what dose, should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Hua Sheng Yi: Materia Medica Profile

Identification & Quality Standard

Arachidis Testa

Botanical Origin

The dried seed coat of Arachis hypogaea L. (Fabaceae).

Production Regions

Produced in most areas of China, especially Shandong, Henan, Hebei, Jiangsu, Anhui, Liaoning.

Quality Requirements

Superior medicinal material is large, reddish-brown, thick, astringent.

Macroscopic Features

Irregular sheets or fragments, often curled, 1~3cm size. Externally reddish-brown or brownish-red, with fine longitudinal striations; inner surface is pale brown, smooth. Light, brittle. Faint odor, taste astringent.

Main Regions and Quality Identification

Classic texts and trade experience favor skins from several provinces, but quality still depends on variety, harvest time, processing, and storage. The good piece shows wrinkled thin flakes, red-brown or purplish-red, with a slight sheen, light and crisp, a faint smell, and a slight astringent taste. The common look-alike is the pale white or pinkish skin of unripe peanuts — lower quality; skins that turn black or moldy from poor storage are inferior and must not be used medicinally.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Sweet, Bitter, Astringent; NeutralSpleenLiverLung

1. Records in Classic Materia Medica

Ben Cao Gang Mu: records the peanut — "delights the spleen and harmonizes the stomach, moistens the lung and resolves phlegm" — without naming the skin directly; the skin's medicinal value extends from the whole-peanut record.
De Pei Ben Cao: records Hua Sheng Yi — "harmonizes the blood and nourishes the blood" — one of the earliest clear records of the skin's use.
Zhong Hua Ben Cao: adds the skin's "astringing bleeding and scattering stasis" action and places it in the blood-nourishing class.

2. How Views of Its Nature Changed

Some doctors lean on the supplementing side — gently nourishing the blood and qi for weaker constitutions; others stress the astringing-bleeding side for bleeding complaints; still others point out that the scope is limited — not every blood problem fits, and excess-heat bleeding with restlessness and thirst should not use it alone. The range keeps its scope clear and close to real clinical need.

Core Efficacies & Traditional Applications

Traditional Functions

Cools blood and stops bleeding, disperses stasis.

1. Main Use 1: Astringing and Stopping Bleeding

(1) Traditional action: astringing the escaped blood and qi and reducing mild bleeding. (2) Typical patterns: qi not holding the blood — mild nosebleed, bleeding gums, or heavy or prolonged periods. (3) Usual pairings: Hong Zao and E Jiao to strengthen the blood-nourishing and bleeding-stopping; for trauma-type bleeding, a small amount of San Qi powder. (4) Not for self-use: excess-heat bleeding — bleeding with a dry mouth and bound stools — the astringent nature may hold the heat in.

2. Main Use 2: Nourishing the Blood and Harmonizing the Blood

(1) Traditional action: gently nourishing the blood and qi and harmonizing the blood flow, avoiding stasis. (2) Typical patterns: qi-blood deficiency — a sallow face, dizziness and fatigue, or palpitations and poor sleep from long-standing blood loss. (3) Usual pairings: Shan Yao and Bai Zhu — the spleen-stomach is the source of blood generation, so supporting the spleen helps generate blood. (4) Not for self-use: heavy phlegm-damp — a thick greasy tongue coat, poor appetite — the supplement may add to the phlegm-damp.

3. A Classic Pairing

Hua Sheng Yi pairs classically with Hong Zao: the peanut skin astringes and nourishes the blood; the red date strengthens the spleen and boosts the qi — the pair both holds the blood in and fuels the source of blood generation, fitting qi-blood deficiency with mild bleeding. The pairing needs a practitioner's pattern diagnosis — never self-pair.

Modern Research

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

1. Main Chemical Constituents

Detected in the skin are flavonoids, proanthocyanidins, lipids, and proteins. In vitro, some flavonoid constituents show antioxidant-type activity; in animals, some extracts affect bleeding-related indicators; human clinical samples so far are small, with no clear clinical conclusion yet.

2. Current Research Directions

Current work centers on the active constituents — some components show antioxidant potential in vitro, but mostly under lab conditions. Research is now focusing on the qi-blood-related biological activity, though human verification is still needed.

3. Limitations of Current Research

Lab results are not clinical efficacy — the human environment differs greatly from animals and cell cultures.
Extracts are not decoction pieces — experiments use high-concentration extracts; daily use is a thin natural skin — the dose and form differ greatly.
Doses and preparations vary between studies — results cannot be judged uniformly.
One component does not define the whole herb — the skin acts as a team of constituents; one component cannot represent the whole.

Comparing Similar Herbs

1. What They Share

Both harmonize the blood.
Both are used for qi-blood flow issues or deficiency patterns.
Both appear in similar care scenarios — such as improving a poor complexion — and both need constitution and dose care.

2. Key Differences

Nature and flavor: Hua Sheng Yi is neutral with a sweet, astringent flavor — gentle, with no marked cold-hot lean; Hong Teng is neutral and bitter — leaning to clearing and draining, able to clear damp-heat. Focus: Hua Sheng Yi astringes bleeding and nourishes-harmonizes the blood — a gentle supplement-and-hold; Hong Teng invigorates the blood, unblocks the channels, and clears heat-toxin — a dredging-clearing action for stasis with damp-heat. Tendency: Hua Sheng Yi astringes — holding the blood in and stopping escape; Hong Teng dredges — moving the blood and dispersing stasis; the two move in opposite directions. Best fit: Hua Sheng Yi for mild bleeding from qi not holding, or sallow-faced qi-blood deficiency; Hong Teng for joint pain and menstrual blockage from stasis, or abdominal pain and swellings from damp-heat. Who should avoid: Hua Sheng Yi — excess-heat bleeding with restlessness and thirst; Hong Teng — qi-blood deficiency without stasis, such as a pale face and clear fatigue without painful stasis; both are unsuitable for pregnancy. Where you meet them: Hua Sheng Yi in daily food care — added to tea and soup; Hong Teng in formulas for stasis-related complaints — less as a daily food ingredient.

3. One-Line Takeaway

In short, Hua Sheng Yi gently astringes and nourishes the blood; Hong Teng dredges, clears, and invigorates the blood. Both serve blood harmonizing — but they are not stand-ins for each other.

Classical Formulas Containing Hua Sheng Yi

Classic Formula 1: Hua Sheng Yi Jian

Role of this herb: in Hua Sheng Yi Jian (Peanut-Skin Decoction), Hua Sheng Yi is the monarch — astringing the qi-blood and easing mild bleeding — with Hong Zao strengthening the spleen and boosting the qi and Hong Tang harmonizing the blood. Alone, the skin cannot cover the spleen support of the full pattern — mild bleeding often rides on a slightly weak spleen-stomach. Traditional focus: qi-blood deficiency with qi not holding the blood — nosebleed, bleeding gums, or heavy or prolonged periods, plus a sallow face and dizziness. Modern note: professional diagnosis first — if the bleeding is from excess heat, this formula may worsen it; a practitioner should judge.

Classic Formula 2: Hua Sheng Yi Hong Zao Tang

Role of this herb: in Hua Sheng Yi Hong Zao Tang (Peanut-Skin and Red Date Soup), Hua Sheng Yi is a supporting herb, with Hong Zao as the monarch — strengthening the spleen, boosting the qi, nourishing the blood, and calming the spirit; the peanut skin astringes and nourishes the blood. Alone, the red date cannot cover the blood-holding of the full pattern. Traditional focus: long-standing qi-blood deficiency — a pale face, palpitations and poor sleep, or postpartum weakness with mild bleeding. Modern note: professional diagnosis first — during an external fever, this formula may feed the evil; a practitioner should judge.

Formula vs. Single Herb

A formula is a coordinated whole — the monarch, minister, assistant, and envoy pairings cover several sides at once; a single herb cannot reproduce the full effect. The dose and pairings have an overall design — changing any herb may shift the whole. The common misunderstanding is that a herb that works in a formula will work the same way alone — the single herb's action is limited and cannot replace the formula. Do not self-formulate from web articles.

Diet & Daily Home Use

1. Home Tea and Porridge

Example 1 — Hua Sheng Yi and red-date tea: Hua Sheng Yi 3 g, Hong Zao 5 pieces — rinse, remove the date stones, put both in a cup, pour boiling water, cover 10 minutes, and drink. Fit: mild qi-blood deficiency — a sallow face, dizziness and fatigue — or gentle blood care after heavy periods. Not for: excess-heat constitutions — frequent dry mouth, bound stools — or pregnancy without consultation. Frequency: 2–3 times a week; no long continuous use.

Example 2 — Hua Sheng Yi and Chinese-yam porridge: Hua Sheng Yi 5 g, Shan Yao 10 g, Da Mi 50 g — rinse the rice, peel and cube the yam, wrap the peanut skin in a cloth bag, cook into a porridge, then remove the bag. Fit: spleen weakness with qi-blood deficiency — poor appetite, a pale face, fatigue. Not for: a thick greasy tongue coat with heavy phlegm-damp. Frequency: 1–2 times a week as a supporting care.

2. Decoction and Processing Differences

The raw skin is red-brown and leans to astringing-bleeding, more for bleeding-related care; the stir-fried piece is darker and leans to nourishing-harmonizing the blood, more for qi-blood deficiency care. At home, the skin needs no first, last, or wrapped step — put it in with the other ingredients; for tea, steep with hot water, no decoction needed. Different forms cannot be converted directly — the medicinal piece dose and the food-remedy dose differ; never apply the medicinal dose to food care.

3. Dosage and How Long to Use

The classic range is 6–10 g, adjusted by the pattern; food-remedy doses are 3–5 g — smaller than medicinal. No long continuous use — after continuous use past about 1 month, pause for a while so the body does not lean on the herb or pick up a one-sided nature. Special groups — pregnancy, children, the elderly — consult a practitioner or pharmacist for a proper dose.

Contraindications & Safety Warnings

1. Who Should Avoid It

Excess-heat constitutions — restlessness and thirst, bound stools, yellow urine — the astringent nature may hold the heat in, avoid; pregnancy and nursing — use under a practitioner to avoid effects on the fetus or infant; children and the elderly — weaker tolerance, strictly controlled doses, no self-use; liver or kidney impairment — assessed by a practitioner first; allergy to the pea family — may react to the peanut skin, be cautious; people on special therapy, such as chemotherapy or radiotherapy — consult a doctor first to avoid interactions.

2. Interactions and Diet Notes

No blanket "food clash" between ordinary foods is established, but certain herbs may interact with specific medicines — those on medication should consult a doctor or pharmacist first. With anticoagulant, blood-pressure, or blood-sugar medicines, the effect may shift — consult for dose adjustment; with sedatives, the sedating effect may deepen and bring drowsiness — be careful. In daily diet, avoid large amounts of spicy or greasy food at the same time, which may blunt absorption and lower the care effect.

3. Side Effects and Overuse

Overuse may bring a bloated belly, poor digestion, or bound stools — the astringent nature may slow the qi-blood flow and disturb the spleen-stomach. If marked discomfort, an allergic reaction, persistent vomiting, breathing difficulty, confusion, or a rapid worsening of symptoms occurs, stop at once and seek care — never delay.

Frequently Asked Questions About Hua Sheng Yi

What is Huashengyi? Is it the same as Huasheng or Hongzao?

Huashengyi is the seed coat of Arachis hypogaea, Latin name Arachidis Testa. It is a common Chinese medicine centered on stopping bleeding, dispersing stasis, and reducing swelling. Huasheng moistens the lung and harmonizes the stomach while transforming phlegm. Hongzao tonifies the middle and boosts qi while nourishing blood. They cannot be used interchangeably in equal amounts. Prescribe as Huashengyi. Caution with excess heat accumulation and stagnation.

What are the composition and effects of Huashengyi?

Pharmacopoeial related name Huashengyi, Latin Arachis hypogaea L. Sweet, slightly bitter and astringent in taste, neutral in nature, enters the Lung, Spleen and Liver meridians. Functions to stop bleeding, disperse stasis, and reduce swelling. Used for hemophilia, hemophilia-like disorders, primary and secondary thrombocytopenic purpura, liver disease bleeding, postoperative bleeding, cancerous bleeding, and bleeding of the stomach, intestines, lungs, uterus, etc. Stops bleeding and disperses stasis.

How to choose between raw and processed? Can Huasheng replace it?

Seed coat is used raw. Huasheng emphasizes moistening the lung rather than strongly stopping bleeding, and cannot replace it in equal amounts. Commercial products are standardized; do not adjust arbitrarily.

What is the dosage of Huashengyi? Can it be used daily as a bleeding-stopping tea?

Decoction, 5-10g. Modern use requires physician-determined dosage. It is not a year-round "Huashengyi tea." Excess heat accumulation and stagnation will be further injured by prolonged use. Bleeding requires short-term, physician-determined dosage and cannot replace evaluation.

What are the contraindications of Huashengyi? Can pregnant women use it?

Not suitable with excess heat accumulation and stagnation. Pregnant women require physician evaluation. Stop if abdominal distension or loose stools occur. Seek immediate medical care for severe bleeding or high fever.

Can Huashengyi stop bleeding, disperse stasis, and reduce swelling?

It can assist hemophilia, hemophilia-like disorders, primary and secondary thrombocytopenic purpura, liver disease bleeding, postoperative bleeding, cancerous bleeding, and bleeding of the stomach, intestines, lungs, uterus, etc. It stops bleeding, disperses stasis, and reduces swelling, but is not a specific remedy for all bleeding or all purpura.

Can Huashengyi be taken daily as a bleeding-stopping or stasis-dispersing tea?

Bleeding can be used short-term in formulas; excess heat accumulation and stagnation will be further injured. The idea that "Huashengyi must stop bleeding" cannot replace evaluation. Stopping bleeding and dispersing stasis requires physician-determined formulation and dosage.

How to choose between Huashengyi, Huasheng, Hongzao, Xianhecao, and Sanqi?

Huashengyi stops bleeding and disperses stasis, suited to purpura. Huasheng moistens the lung and transforms phlegm. Hongzao tonifies the middle and nourishes blood. Xianhecao astringes and stops bleeding while stopping dysentery. Sanqi disperses stasis and stops bleeding while reducing swelling. Choose Huashengyi for stopping bleeding; Huasheng for moistening the lung; Hongzao for nourishing blood; Xianhecao for stopping dysentery; Sanqi for reducing swelling. Pattern differentiation applies, but large doses of Huashengyi are contraindicated with excess heat accumulation and stagnation.

How is Huashengyi commonly modified? What is a representative usage?

Modifications depend on the pattern. Add Xianhecao for purpura; add Sanqi for bleeding. Specify Huashengyi; do not substitute Huasheng in equal amounts for stopping bleeding.

How to select and store Huashengyi?

Choose regular Chinese medicinal materials with intact seed coats. Discard if moldy, damp, or abnormal in odor. Store in a dry place. Purchase "Huashengyi"; do not substitute Huasheng or Hongzao in equal amounts for stopping bleeding, dispersing stasis, and reducing swelling.

Related Products

Nong's Hua Sheng Yi Concentrated Granules

Nong's Hua Sheng Yi (Peanut Skin) Single Herb 5:1 Concentrated Granules $66.28

Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.