Chu Luan Fang

Fertility Tonic · 储卵方

A modern TCM formula designed to support female fertility by tonifying the Kidney and Liver, replenishing Essence (Jing) and Blood, and improving blood circulation to the ovaries. It is primarily used for women experiencing diminished ovarian reserve, poor egg quality, or difficulty conceiving due to underlying Kidney and Liver deficiency.

Origin Modern clinical formula (现代经验方), developed for use in TCM hospital gynecology departments — Contemporary era (modern clinical formula)
Composition 14 herbs
Shu Di Huang
King
Shu Di Huang
Tu Si Zi
King
Tu Si Zi
Dang Gui
Deputy
Dang Gui
Gou Qi Zi
Deputy
Gou Qi Zi
Du Zhong
Deputy
Du Zhong
Bu Gu Zhi
Assistant
Bu Gu Zhi
Xian Mao
Assistant
Xian Mao
Yin Yang Huo
Assistant
Yin Yang Huo
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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. Chu Luan Fang is designed to correct these specific patterns.

Why Chu Luan Fang addresses this pattern

Kidney Jing (Essence) deficiency is the core pathomechanism underlying diminished ovarian reserve. In TCM, the Kidney stores Jing, which governs growth, development, and reproduction. When Kidney Jing becomes depleted, whether through aging, overwork, chronic illness, or constitutional weakness, the material foundation for producing healthy eggs declines. The ovaries lose their capacity to develop mature follicles, and fertility drops. Chu Luan Fang directly addresses this by concentrating its strongest herbs (Shu Di Huang, Tu Si Zi, Gou Qi Zi, Gui Ban) on replenishing Jing and nourishing the Kidney. The formula rebuilds the Essence that the reproductive system depends upon.

A practitioner would look for one or more of these signs

Infertility

Difficulty conceiving due to poor egg quality or low ovarian reserve

Irregular Menstruation

Scanty or shortened menstrual periods

Lower Back Pain

Dull aching in the lower back and knees

Dizziness

Dizziness and tinnitus

Eye Fatigue

General fatigue and weakness

Commonly Prescribed For

These conditions can arise from the patterns above. A practitioner would consider Chu Luan Fang when these conditions are specifically caused by those patterns — not for all cases of these conditions.

TCM Interpretation

In TCM, female fertility depends fundamentally on the Kidney's ability to store Jing (Essence), which is the material basis for egg production and reproductive capacity. The Kidney governs reproduction through its connection to the Tian Gui (天癸), a substance that initiates and maintains the menstrual cycle and fertility. When Kidney Jing becomes depleted, Tian Gui wanes prematurely, and the Chong and Ren vessels that nourish the uterus lose their fullness. The Liver plays a supporting role by storing Blood and ensuring its smooth flow to the reproductive organs. When Liver Blood is insufficient, the uterus and ovaries are poorly nourished. Emotional stress can further compound the problem by causing Liver Qi stagnation, which disrupts the hormonal rhythm of ovulation.

Why Chu Luan Fang Helps

Chu Luan Fang targets infertility by rebuilding the depleted Jing and Blood that form the material foundation for egg development. Shu Di Huang and Tu Si Zi replenish Kidney Jing directly, while Gui Ban anchors Yin deeply and nourishes the Essence. Dang Gui and Gou Qi Zi tonify Liver Blood and strengthen the Liver-Kidney axis. The Yang-warming herbs (Bu Gu Zhi, Xian Mao, Yin Yang Huo) ensure that the Kidney has enough functional warmth to drive ovulation. Dan Shen and Chuan Xiong improve blood flow to the ovaries, ensuring that nourishment actually reaches the eggs. Chai Hu smooths Liver Qi to regulate the ovulation cycle. This comprehensive approach addresses both the structural (Jing/Blood) and functional (Yang/Qi movement) aspects of fertility.

Also commonly used for

Irregular Menstruation

Menstrual irregularity related to declining ovarian function

Decreased Menstrual Flow

Scanty periods associated with Kidney and Blood deficiency

Amenorrhea

Secondary amenorrhea from ovarian hypofunction

What This Formula Does

Every TCM formula has a specific set of actions — here's what Chu Luan Fang does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Chu Luan Fang is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Chu Luan Fang 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 Chu Luan Fang works at the root level.

Chu Luan Fang addresses a pattern of Kidney and Liver deficiency with insufficient Essence (Jing) and poor Blood circulation to the reproductive organs. In TCM, the Kidneys are the root of reproduction: they store Jing, the fundamental substance that governs growth, development, and fertility. The Liver stores Blood and ensures its smooth circulation to the Uterus via the Chong and Ren channels. When both Kidney Jing and Liver Blood become depleted, whether through aging, overwork, chronic stress, or constitutional weakness, the reproductive system loses its nourishment.

In modern terms, this pattern corresponds to diminished ovarian reserve, poor egg quality, or irregular ovulation. From the TCM perspective, when Kidney Jing is insufficient, the body cannot produce enough Tian Gui (the reproductive substance that enables fertility), the Chong and Ren channels become empty, and the eggs lack the vital nourishment needed to mature properly. When Liver Blood is also deficient, circulation to the ovaries stagnates further, creating a vicious cycle where depleted reserves lead to even poorer nourishment of developing follicles.

Additionally, when Kidney Yang is weak, the warming and activating force needed to drive ovulation and cycle regularity is diminished. And when Liver Qi is constrained (often from emotional stress around fertility), it further impedes the smooth flow of Blood to the Uterus. This formula targets all these interconnected mechanisms simultaneously: replenishing Jing, nourishing Blood, warming Yang to support ovulation, and gently moving Liver Qi to ensure smooth circulation.

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

Warm

Taste Profile

Predominantly sweet and slightly bitter with mild acrid notes. Sweet to tonify and nourish Essence and Blood, bitter to direct downward and support Kidney storage, acrid to gently warm and promote circulation.

Channels Entered

Kidney Liver Chong Mai (冲脉) Penetrating Vessel Ren Mai (任脉) Conception Vessel

Ingredients

14 herbs

The herbs that make up Chu Luan Fang, 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
Envoy — Directs the formula to its target
Kings — Main ingredient driving the formula
Shu Di Huang

Shu Di Huang

Prepared Rehmannia root

Dosage 12 - 15g
Temperature Slightly Warm
Taste Sweet (甘 gān)
Organ Affinity Liver, Kidneys

Role in Chu Luan Fang

As the primary Blood and Essence tonifier, processed Rehmannia root nourishes Kidney Yin, replenishes Jing (Essence), and fills the marrow. It is the foundation of the formula's strategy to restore the material basis for egg development and ovarian reserve.
Tu Si Zi

Tu Si Zi

Chinese Dodder Seed

Dosage 12 - 15g
Temperature Neutral
Taste Acrid / Pungent (辛 xīn), Sweet (甘 gān)
Organ Affinity Liver, Kidneys, Spleen

Role in Chu Luan Fang

Dodder Seed is a key Kidney tonic that gently tonifies both Kidney Yin and Yang without being drying or cloying. It strengthens Jing, secures the Chong and Ren vessels, and is a classical fertility herb that directly supports reproductive function.
Deputies — Assists and enhances the King
Dang Gui

Dang Gui

Chinese Angelica root

Dosage 9 - 12g
Temperature Warm
Taste Sweet (甘 gān), Acrid / Pungent (辛 xīn)
Organ Affinity Liver, Heart, Spleen

Role in Chu Luan Fang

Chinese Angelica Root nourishes and invigorates Blood, regulates menstruation, and promotes blood circulation to the reproductive organs. It works alongside Shu Di Huang to ensure adequate Blood nourishment reaches the uterus and ovaries.
Gou Qi Zi

Gou Qi Zi

Chinese Wolfberry Fruit

Dosage 9 - 12g
Temperature Neutral
Taste Sweet (甘 gān)
Organ Affinity Liver, Kidneys, Lungs

Role in Chu Luan Fang

Goji Berry nourishes the Liver and Kidney, replenishes Jing and brightens the eyes. It supports the Liver-Kidney axis that governs reproductive function, helping to nourish the Essence that forms the basis for healthy egg development.
Du Zhong

Du Zhong

Eucommia bark

Dosage 9 - 12g
Temperature Warm
Taste Sweet (甘 gān)
Organ Affinity Liver, Kidneys

Role in Chu Luan Fang

Processed Eucommia Bark tonifies the Liver and Kidney, strengthens sinews and bones, and calms the fetus. It supports Kidney Yang to ensure adequate warming and functional activity in the reproductive system.
Assistants — Supports or moderates other herbs
Bu Gu Zhi

Bu Gu Zhi

Psoralea fruit

Dosage 9 - 12g
Temperature Warm
Taste Acrid / Pungent (辛 xīn), Bitter (苦 kǔ)
Organ Affinity Kidneys, Spleen

Role in Chu Luan Fang

Processed Psoralea Fruit warms Kidney Yang and consolidates Jing. It supports the Yang aspect of the Kidney to ensure proper functional activity of the reproductive organs, complementing the Yin-nourishing herbs in the formula.
Xian Mao

Xian Mao

Curculigo rhizome

Dosage 6 - 9g
Temperature Hot
Taste Acrid / Pungent (辛 xīn)
Organ Affinity Kidneys, Liver, Spleen

Role in Chu Luan Fang

Curculigo Rhizome warms Kidney Yang, strengthens sinews and bones, and dispels Cold-Dampness. Paired with Yin Yang Huo, it forms the classical Er Xian pairing to warm and invigorate the Kidney's reproductive fire.
Yin Yang Huo

Yin Yang Huo

Epimedium leaf

Dosage 9 - 12g
Temperature Warm
Taste Acrid / Pungent (辛 xīn), Sweet (甘 gān)
Organ Affinity Liver, Kidneys

Role in Chu Luan Fang

Epimedium warms Kidney Yang, strengthens sinews and bones, and invigorates the reproductive fire. Together with Xian Mao, it forms a powerful Yang-tonifying pair that supports ovarian functional activity.
Gui Ban

Gui Ban

Tortoise plastron

Dosage 9 - 15g
Temperature Cold
Taste Salty (咸 xián), Sweet (甘 gān)
Organ Affinity Liver, Heart, Kidneys
Preparation Decocted first 30 minutes (先煎)

Role in Chu Luan Fang

Processed Tortoise Plastron nourishes Yin, subdues Yang, strengthens bones, and replenishes Jing and Blood. It anchors the formula's Yin-nourishing capacity and balances the warming Yang tonics, ensuring Yin and Yang are harmonized.
Bai Shao

Bai Shao

White peony root

Dosage 9 - 12g
Temperature Slightly Cool
Taste Bitter (苦 kǔ), Sour (酸 suān)
Organ Affinity Liver, Spleen

Role in Chu Luan Fang

White Peony Root nourishes Blood, softens the Liver, and alleviates pain. It restrains the warm and drying nature of the Yang-tonifying herbs and supports the Liver's role in storing Blood and regulating the menstrual cycle.
Dan Shen

Dan Shen

Red sage root

Dosage 9 - 12g
Temperature Slightly Cool
Taste Bitter (苦 kǔ)
Organ Affinity Heart, Liver, Pericardium

Role in Chu Luan Fang

Salvia Root invigorates Blood and dispels Blood Stasis without injuring the upright Qi. It improves blood flow to the ovaries and uterus, ensuring the tonifying herbs can reach their target.
Chuan Xiong

Chuan Xiong

Sichuan lovage rhizome

Dosage 6 - 9g
Temperature Warm
Taste Acrid / Pungent (辛 xīn)
Organ Affinity Liver, Gallbladder, Pericardium

Role in Chu Luan Fang

Chuanxiong Rhizome invigorates Blood and promotes Qi movement. Known as the 'Qi herb within the Blood,' it prevents the rich tonifying herbs from causing stagnation and improves overall circulation to the reproductive organs.
Envoys — Directs the formula to its target
Chai Hu

Chai Hu

Bupleurum root

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

Role in Chu Luan Fang

Bupleurum Root courses Liver Qi and lifts the clear Yang. It ensures smooth flow of Liver Qi, which is essential for the regulation of menstruation and ovulation, and directs the formula's action to the Liver channel.
Gan Cao

Gan Cao

Licorice root

Dosage 3 - 6g
Temperature Neutral
Taste Sweet (甘 gān)
Organ Affinity Heart, Lungs, Spleen, Stomach

Role in Chu Luan Fang

Licorice Root harmonizes all the herbs in the formula, moderates the properties of the other ingredients, and supports the Spleen to ensure proper absorption and transformation of the tonifying substances.

Why This Combination Works

How the herbs in Chu Luan Fang complement each other

Overall strategy

Chu Luan Fang addresses the root cause of diminished ovarian reserve by simultaneously replenishing Kidney Jing (Essence) and Blood while gently warming Kidney Yang and promoting blood circulation to the ovaries. The formula balances Yin-nourishing and Yang-warming herbs to restore the full spectrum of Kidney function needed for healthy egg development and ovulation.

King herbs

Shu Di Huang (processed Rehmannia) is the primary Yin and Blood tonic, providing the dense material nourishment that replenishes depleted Jing and fills the marrow. Tu Si Zi (Dodder Seed) tonifies Kidney Yin and Yang in a balanced way without being harsh, making it one of the most classical and trusted fertility herbs. Together, they rebuild the fundamental Essence that forms the basis for egg quality and ovarian reserve.

Deputy herbs

Dang Gui nourishes and activates Blood to ensure the uterus and ovaries receive adequate nourishment. Gou Qi Zi strengthens the Liver-Kidney axis that governs reproductive function. Du Zhong adds Kidney Yang support and stabilizes the lower back region associated with Kidney strength. These three reinforce the Kings by broadening the scope of tonification across the Liver-Kidney system.

Assistant herbs

Bu Gu Zhi, Xian Mao, and Yin Yang Huo form a Yang-warming team that ensures the Kidney's functional "fire" is adequate to drive ovulation and reproductive activity (reinforcing assistants). Gui Ban anchors Yin deeply and counterbalances the warming herbs, preventing them from generating excess Heat (restraining assistant). Bai Shao softens the Liver and nourishes Blood, complementing the Liver Qi-regulating strategy. Dan Shen and Chuan Xiong invigorate Blood and move Qi, preventing the rich tonifying herbs from creating stagnation and ensuring improved blood flow to the reproductive organs (reinforcing assistants addressing secondary stagnation).

Envoy herbs

Chai Hu, used in a small dose, courses Liver Qi and regulates the menstrual and ovulation cycles by ensuring smooth Qi flow. Gan Cao harmonizes all the ingredients and supports the Spleen's ability to absorb and distribute the formula's nourishment.

Notable synergies

The Xian Mao and Yin Yang Huo pairing (from the classical Er Xian Tang structure) is a well-known combination for warming Kidney Yang and supporting reproductive vitality. The Shu Di Huang and Dang Gui pairing echoes the classical Si Wu Tang (Four Substances Decoction) logic of nourishing and moving Blood simultaneously. Dan Shen and Chuan Xiong together ensure that the heavily tonifying formula does not produce Blood Stasis, a principle expressed in the saying "supplement without causing stagnation" (补而不滞).

How to Prepare

Traditional preparation instructions for Chu Luan Fang

As a concentrated granule extract (5:1 ratio): dissolve 4.5 g in hot water and drink as a tea, 2 to 3 times daily. As capsules: take 4 capsules, 2 to 3 times daily. When prepared as a traditional decoction, combine all herbs in approximately 600 mL of water, soak for 30 minutes, then bring to a boil and simmer for 30 minutes. Strain and divide into two portions for morning and evening administration. Gui Ban (Tortoise Plastron) should be decocted first (先煎) for 30 minutes before adding the remaining herbs.

Common Modifications

How practitioners adapt Chu Luan Fang for specific situations

Added
Rou Gui

3-6g, to warm the Kidney Yang and strengthen Ming Men fire

9-12g, to warm the Kidney and nourish Jing

When cold signs predominate, adding Rou Gui and Lu Jiao Shuang intensifies the warming of Kidney Yang and Ming Men fire, boosting the functional drive for ovulation.

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

Contraindications

Situations where Chu Luan Fang should not be used or requires extra caution

Avoid

Pregnancy. This formula contains several Blood-moving herbs (Dan Shen, Chuan Xiong, Dang Gui) and Kidney Yang warming herbs that may stimulate uterine activity. It is designed for pre-conception use only and should be discontinued once pregnancy is confirmed.

Avoid

Active liver disease or significantly impaired liver function. Several herbs in this formula undergo hepatic metabolism, and Bu Gu Zhi (Psoralea) in particular has been associated with hepatotoxicity in some reports.

Caution

Yin deficiency with pronounced Heat signs (night sweats, hot flashes, five-center heat, red tongue with no coating). Although the formula contains Yin-nourishing herbs, the presence of warm Yang tonics like Bu Gu Zhi, Xian Mao, and Yin Yang Huo may aggravate Heat symptoms if Yin deficiency is severe.

Caution

Excess Heat or Damp-Heat conditions. The warming nature of several key ingredients makes this formula inappropriate when pathogenic Heat is the dominant factor.

Caution

Postpartum women. The formula is designed for pre-conception support and its Blood-moving and Yang-warming properties may not be appropriate during the postpartum recovery period.

Caution

Heavy menstrual bleeding or active uterine hemorrhage. Blood-invigorating herbs like Dan Shen, Chuan Xiong, and Dang Gui may exacerbate bleeding.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Contraindicated during pregnancy. This formula contains several herbs that invigorate Blood and may stimulate uterine activity, including Dan Shen (Salvia root), Chuan Xiong (Chuanxiong rhizome), and Dang Gui (Chinese Angelica root). Bu Gu Zhi (Psoralea fruit) may be teratogenic in excessively large doses. Xian Mao (Curculigo rhizome) has slight toxicity and is not suitable for use during pregnancy. The formula is intended strictly for pre-conception support to improve ovarian reserve and egg quality, and should be discontinued as soon as pregnancy is confirmed or suspected. Any woman actively trying to conceive while taking this formula should consult a qualified TCM practitioner for guidance on timing of discontinuation.

Breastfeeding

Use with caution during breastfeeding. While there is no specific classical prohibition, several herbs in this formula warrant careful consideration. Xian Mao (Curculigo rhizome) has mild toxicity and its safety profile during lactation is not well established. Bu Gu Zhi (Psoralea fruit) has been associated with hepatotoxicity in some reports, raising concerns about potential transfer of harmful metabolites through breast milk. Dan Shen (Salvia root) is a Blood-invigorating herb whose effects on breast milk composition are not well studied. Given that this formula is designed for pre-conception fertility support rather than postpartum use, it is generally not indicated during the breastfeeding period. Women who are nursing should consult a qualified TCM practitioner before using this formula.

Children

Not applicable. Chu Luan Fang is specifically formulated for adult women of reproductive age to support ovarian reserve and fertility. It contains Kidney Yang warming herbs (Bu Gu Zhi, Xian Mao, Yin Yang Huo) and Blood-invigorating herbs that are inappropriate for children. This formula should not be given to pediatric patients under any circumstances.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Chu Luan Fang

Anticoagulant and antiplatelet medications (e.g. warfarin, heparin, aspirin, clopidogrel): Dan Shen (Salvia root), Chuan Xiong (Chuanxiong rhizome), and Dang Gui (Chinese Angelica root) all have Blood-invigorating properties and known anticoagulant or antiplatelet pharmacological effects. Dan Shen in particular is well documented to interact with warfarin, potentially increasing INR and bleeding risk. Concurrent use should be closely monitored or avoided.

Hormone replacement therapy (HRT) and oral contraceptives: Yin Yang Huo (Epimedium) contains icariin, which has phytoestrogenic activity. Bu Gu Zhi (Psoralea) is high in genistein, an isoflavone with estrogen-like effects. These may interact with exogenous hormone therapies or hormonal fertility medications (e.g. clomiphene, letrozole, gonadotropins), potentially altering their efficacy. Coordination with both the TCM practitioner and reproductive endocrinologist is advisable.

Hepatotoxic medications: Bu Gu Zhi (Psoralea fruit) has been associated with cases of drug-induced liver injury. Concurrent use with other potentially hepatotoxic drugs (e.g. acetaminophen at high doses, statins, methotrexate, certain antibiotics) may increase the risk of liver damage. Liver function monitoring is recommended.

Gan Cao (Licorice root): Glycyrrhizin in Gan Cao may interact with corticosteroids (potentiating their effects), antihypertensives (causing fluid retention and elevated blood pressure through mineralocorticoid-like activity), and digoxin (through hypokalemia risk). Although Gan Cao is likely present in small amounts in this formula, individuals on these medications should exercise caution.

Usage Guidance

Practical advice for getting the most out of Chu Luan Fang

Best time to take

Dissolved in warm water, taken 2-3 times daily between meals (approximately 30-60 minutes before or after eating).

Typical duration

Often taken for 2-3 menstrual cycles (approximately 2-3 months), then reassessed by a practitioner. May be continued longer depending on individual response and fertility treatment timeline.

Dietary advice

Favor warm, nourishing, and easily digestible foods that support Kidney Essence and Blood production: bone broth, black sesame seeds, walnuts, goji berries, black beans, eggs, dark leafy greens, and small amounts of high-quality protein. Foods traditionally considered beneficial for fertility, such as royal jelly and seaweed, may also complement the formula's effects. Avoid cold and raw foods (salads, iced drinks, raw sushi) which can impair Spleen function and hinder the production of Blood and Essence. Reduce consumption of excessively greasy, fried, or heavily processed foods which generate Dampness and impede circulation. Limit caffeine and alcohol, as both can deplete Kidney Jing and Liver Blood. Avoid excessively spicy foods which may generate internal Heat and counteract the formula's balanced warming strategy.

Chu Luan Fang originates from Modern clinical formula (现代经验方), developed for use in TCM hospital gynecology departments Contemporary era (modern clinical formula)

Classical Texts

Key passages from the classical Chinese medical texts that first described Chu Luan Fang and its clinical use

As a modern clinical formula developed for contemporary fertility practice in TCM hospitals, Chu Luan Fang (储卵方, "Store Oocyte Formula") does not appear in classical texts. However, its therapeutic approach draws on deeply rooted classical principles:

The concept that the Kidneys govern reproduction and store Essence is foundational to the formula's rationale. The Huang Di Nei Jing Su Wen states: 「肾者主水,受五脏六腑之精而藏之」 ("The Kidneys govern Water, receiving and storing the Essence of the five Zang and six Fu organs"). This principle underlies the formula's emphasis on replenishing Kidney Essence as the basis for ovarian reserve and egg quality.

The formula also reflects the classical teaching on the Kidney-Liver relationship and reproductive function. The Su Wen notes: 「女子七岁,肾气盛,齿更发长;二七而天癸至,任脉通,太冲脉盛,月事以时下,故有子」 ("At age seven in girls, Kidney Qi flourishes; at twice seven, Tian Gui arrives, the Ren channel opens, the Chong channel fills, menstruation comes at its proper time, and so she can conceive"). This passage highlights the central role of Kidney Essence in female fertility, which is the core target of Chu Luan Fang.

Historical Context

How Chu Luan Fang evolved over the centuries — its origins, lineage, and place in the broader tradition of Chinese medicine

Chu Luan Fang (储卵方), literally meaning "Store Oocyte Formula" or "Preserve Egg Formula," is a modern TCM formula rather than a classical prescription. It was developed for use in contemporary TCM hospital settings to address the increasingly common concern of diminished ovarian reserve, a condition not described in classical texts by this name but understood through the lens of Kidney Jing deficiency and Liver-Kidney insufficiency.

The formula represents a thoughtful integration of classical tonification principles with modern clinical needs. It draws on time-tested herb combinations: the pairing of Xian Mao and Yin Yang Huo echoes the famous Er Xian Tang (Two Immortals Decoction), a mid-20th century formula developed at Shanghai First Medical College for menopausal syndrome. The Blood-nourishing core of Shu Di Huang, Dang Gui, and Bai Shao reflects the classical Si Wu Tang (Four Substances Decoction) tradition. The Kidney Jing-tonifying herbs like Tu Si Zi, Bu Gu Zhi, and Gui Ban draw from the same materia medica used in classical fertility formulas such as Wu Zi Yan Zong Wan. This formula was selected for inclusion in the Treasure of the East catalogue based on its efficacy in TCM hospital practice, reflecting the growing integration of TCM approaches alongside assisted reproductive technologies (ART) such as IVF.