Seaweeds and fungiDampness-drainingPoria Rubra

Chi Fu Ling (Red Poria)

Q: What is Chi Fu Ling? Are Bai Fu Ling, Fu Ling Pi and Fu Shen the same?

Chi Fu Ling (赤茯苓) is the pale-red portion of the sclerotium of Poria cocos near the outer skin . It is the same fungus as white poria, not another species. The pharmacopoeia mostly lists them together as Poria . Bai Fu Ling is sweet-bland and neutral: promotes urination, percolates dampness, fortifies the Spleen and calms the Heart. Fu Ling Pi promotes urination and reduces swelling, moving toward the fleshy exterior. Fu Shen is the portion around the pine root and is more specific for calming the Heart. Write Chi Fu Ling. Use caution in yin vacuity without damp-heat.

Q: What are the TCM properties and traditional uses of Chi Fu Ling?

Materia medica records Chi Fu Ling as sweet, bland, neutral and leaning cool , entering the Heart, Spleen and Bladder channels, and acting to percolate damp-heat and separate urine . It is used for damp-heat pouring downward, inhibited urine, and rough painful turbid strangury. Bland and percolating, leaning cool, it suits lower-burner damp-heat—it is not the Spleen-fortifying, spirit-calming white poria, and is not for yin vacuity with fluid damage used alone.

Q: What is the usual dosage? Can it be drunk daily as a damp tea?

The usual decoction dose is 9–15 g . It is not a four-season “red poria damp tea.” Yin vacuity without damp only injures further as it percolates. Strangury needs a practitioner to name a short course; it does not replace urinalysis.

Q: How do you choose and store Chi Fu Ling?

Choose pale-red blocks, firm, a granular cut face, a faint odor and a bland taste . Moldy, moth-eaten, skin- or wood-bearing, or blackened lots are discarded. Store dry against moisture. Buy Chi Fu Ling; do not replace percolating damp-heat and separating urine with white poria or poria skin by equal weight.

A practical guide to Chi Fu Ling: 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 13, 2026

Quick Facts

Latin Name	Poria Rubra
Chinese Name & Pinyin	赤茯苓 · Chi Fu Ling
Medicinal Part	Seaweeds and fungi
The item	Chi Fu Ling is the pale-red layer of the Poria cocos sclerotium near the skin. White Fu Ling, Fu Ling Pi, and Fu Shen are not this specification.
Nature and channels (traditional)	Sweet, bland, neutral. Enters the Heart, Spleen, and Small Intestine. Sweet blandness drains dampness and promotes urine, and also clears heat.
Actions (traditional)	Promotes urination and drains dampness. Clears heat. Used for inhibited urine, strangury and turbidity, and diarrhea. For the sclerotium itself, follow the Fu Ling monograph: promote urination and drain dampness, strengthen the spleen, calm the Heart.
Pattern cues	Inhibited urine. Strangury and turbidity. Damp-heat diarrhea.
In this article	Red poria versus white Fu Ling, Fu Ling Pi, Fu Shen, and Zhu Ling. Draining damp-heat versus strengthening the spleen and calming the Heart. Why there must be dampness. Who should skip it.

What Is Chi Fu Ling?

Chi Fu Ling (赤茯苓; Chì Fú Líng; English: red poria) is the pale-red part of the Poria cocos (Schw.) Wolf sclerotium, just inside the outer skin. The current pharmacopoeia lists Fu Ling. Red poria is a traditional part specification. It is sweet, bland, and neutral. Tradition enters it in the Heart, Spleen, and Small Intestine, and its core actions are to promote urination and drain dampness, and to clear heat. It is not white Fu Ling. The inner white part more clearly strengthens the spleen and calms the Heart. Red poria leans toward damp-heat and strangury. It is not Fu Ling Pi. The peel is specific for moving water and reducing swelling. Clearing heat is not its main work. It is not Fu Shen. No damp-heat, and yin deficiency with damaged fluids, are a poor match.

Traditionally it is used most often for three patterns:

Inhibited urine — damp-heat
Strangury and turbidity — seek care
Diarrhea — mild, when damp-heat predominates

The usual decoction dose is often 10–15 g. Sweet, bland, and draining, it is not a daily “heat poria.” Drain when there is no dampness, and yin is injured.

When damp-heat pours down, scant urine and turbid strangury are common. Chi Fu Ling is sweet and bland. It drains and clears, which is why it appears in damp-heat pairings. It drains more than it holds. Dry mouth, bound stool, and a red tongue with little fluid and no damp-heat get drier if more drainage is added.

Chi Fu Ling is not a catch-all diuretic or heat fungus. In yin deficiency with no dampness, or when the Kidney gate will not hold, using it alone can injure yin. Red poria or white Fu Ling should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.

Chi Fu Ling: Materia Medica Profile

Identification & Quality Standard

Poria Rubra

Botanical Origin

The pale red inner part of the sclerotium of Poria cocos (Schw.) Wolf (Polyporaceae), near the outer rind.

Production Regions

Primarily produced in the Chinese provinces of Yunnan, Anhui and Hubei.

Quality Requirements

Superior medicinal material is evenly pale red and free of dark rind and sandy grit.

Macroscopic Features

Irregular slices, pale reddish or pinkish-white; light; bland taste.

Authentic Origins and Quality Check

Traditionally, the best Fu Ling comes from regions like Yunnan, Anhui, and Hubei. Here is how to spot good quality Chi Fu Ling:

Appearance: Look for solid, irregular red-brown blocks with a flat, clean cross-section and no impurities.
Scent & Taste: It has a faint mushroom aroma, tastes very mild, and feels slightly sticky when chewed.
Raw vs. Processed: The raw version is redder and harder, making it great for clearing damp-heat. The stir-fried version is a bit looser in texture and is better for supporting the spleen and calming the mind.
Don't Confuse It: Be careful not to mix it up with Fu Ling Pi (Poria Peel), which is just the thin outer skin. The peel is much lighter and focuses strictly on reducing swelling, which is quite different from the core solid herb.

Traditional Properties & Historical Lineage

Nature, Flavour & Channel Tropism

Sweet, Bland; NeutralHeartSpleenBladder

1. Historical Records

Ancient texts have documented this herb for centuries:

Early Records: The Shen Nong Ben Cao Jing praised Fu Ling for easing chest tension, calming anxiety, and promoting urination. Later physicians began separating the reddish parts into Chi Fu Ling to highlight its specific benefits.
Classic Insights: Books like the Ming Yi Bie Lu and Ben Cao Gang Mu highlighted its ability to clear damp-heat, quench thirst, calm the heart, and support healthy urination.

2. Evolution of TCM Understanding

Over time, different TCM doctors have emphasized different strengths of Chi Fu Ling:

Some focus purely on its power to clear damp-heat, making it perfect for when dampness gets "stuck" in the body.
Others love its dual ability to drain dampness while calming the mind and supporting a weak spleen.
A Word of Caution: Because it excels at draining fluids, traditional practitioners warn against using it if you have Yin deficiency (dryness/lack of fluids) without any actual damp-heat to clear.

Core Efficacies & Traditional Applications

Traditional Functions

Leaches dampness and clears heat slightly more than white Poria. Apply to damp-heat edema, inhibited urination, and lin syndrome.

1. Main Focus: Clearing Damp-Heat

What it does: The primary traditional use of Chi Fu Ling is to clear damp-heat. It helps flush out stagnant, sticky "dampness" and "heat" from the body, primarily by promoting urination.
When it is used: Practitioners use it for "damp-heat accumulation." Symptoms might include feeling heavy and sluggish, chest tightness, bloating, a bitter or dry mouth, dark/scanty urine, sticky stools, and a yellow, greasy coating on the tongue. Some people also feel restless or irritable as the dampness clouds the mind.
Common Pairings: It is often paired with herbs like Yi Yi Ren (Coix Seed) and Hua Shi (Talcum) to boost its damp-clearing power. If the spleen (digestion) is weak, it is mixed with Bai Zhu (Atractylodes) and regular Fu Ling (Poria) to protect the stomach from over-draining.
When to Avoid: Do not use this on your own if you have Yin deficiency (dryness without damp-heat). If you have a dry mouth/throat, hot hands/feet, and a red tongue with little coating, the draining nature of Chi Fu Ling will only make you more dehydrated.

2. Second Focus: Strengthening the Spleen and Calming the Mind

What it does: Chi Fu Ling is also known for supporting digestion (the Spleen in TCM) and calming the spirit. It helps clear the dampness that causes digestive upset while soothing the restlessness that often comes with it.
When it is used: It is great for when weak digestion leads to fluid buildup and poor sleep. Symptoms include poor appetite, bloating, loose stools, fatigue, irritability, shallow sleep, waking up easily, and a white, greasy tongue coating.
Common Pairings: For a weak spleen, it is combined with Qi-boosting herbs like Ren Shen (Ginseng) and Bai Zhu (Atractylodes). If insomnia is the main issue, it is paired with calming herbs like Suan Zao Ren (Sour Jujube Seed) and Bai Zi Ren (Biota Seed).
When to Avoid: If your insomnia is caused by severe, acute damp-heat (indicated by bad breath, a very bitter taste, very dark urine, and a red tongue with yellow coating), avoid using it alone. Its mild spleen-boosting properties might actually trap the severe heat.

3. Classic Herb Pair: The Dynamic Duo

Chi Fu Ling is frequently paired with Zhu Ling (Polyporus).

Chi Fu Ling focuses on the Spleen and Heart, clearing damp-heat while calming the mind.
Zhu Ling is a powerhouse for promoting urination and clearing water retention in the lower body.
Together: They form a balanced team that aggressively clears damp-heat without being too harsh on the digestive system. This pair is excellent for symptoms like difficult urination, bodily heaviness, and restless sleep caused by internal dampness. However, a practitioner needs to adjust the dosage carefully, especially if the patient has weak digestion or is dehydrated.

Modern Research

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

1. Main Chemical Components

Modern science shows that Chi Fu Ling contains active compounds like Poria polysaccharides and triterpenes (such as pachymic acid). Polysaccharides are the signature ingredients here, alongside choline and ergosterol.

2. Current Research Focus

Lab studies are currently exploring how these compounds work, though we are still in the early stages:

Anti-inflammatory: Some extracted triterpenes show promise in calming inflammation in test tubes by inhibiting inflammatory factors.
Water Metabolism: Animal studies suggest the polysaccharides can help regulate the immune system and smooth out abnormal water and sodium fluctuations.

3. Limitations of Modern Studies

While the science is exciting, it is best kept in perspective:

Mice Aren't Men: Petri dishes and animal studies do not always translate directly to human results because our metabolic systems are incredibly different.
Extracts vs. Whole Herbs: Lab tests often use highly purified, concentrated single compounds. This is very different from consuming traditional Chi Fu Ling slices, which are a complex mix of many different elements working together.
Need More Data: We still lack large-scale human clinical trials to fully map out how these active ingredients work in our bodies and to establish the safest daily dosages.

Comparing Similar Herbs

1. What They Have in Common

The Main Action: Both are famous for draining water and seeping dampness.
The Symptoms: Both are used for traditional "water retention" signs, like feeling heavy or having urinary issues.
The Application: Both are common in damp-clearing herbal formulas or even dietary therapy (like summer dampness soups).
The Caution: Neither should be used in large doses for a long time, as excessive draining can deplete the body's natural energy.

2. The Core Differences

Nature & Flavor: Both are neutral and sweet/bland. However, Chi Fu Ling is slightly better at draining, while Fu Ling is much better at tonifying (nourishing/strengthening).
Core Strengths: Chi Fu Ling excels at clearing damp-heat and calming the mind—perfect when dampness is accompanied by restlessness. Fu Ling excels at strengthening the Spleen and boosting Qi—perfect for weak digestion with mild fluid retention.
How They Work: Both guide fluids downward. But Fu Ling works more by strengthening the digestive system so it can process fluids naturally, whereas Chi Fu Ling focuses more directly on flushing the dampness out.
Key Indicators: Use Chi Fu Ling for damp-heat (dark urine, yellow tongue coating, irritability). Use Fu Ling for spleen deficiency (poor appetite, loose stools, white tongue coating).
Contraindications: Avoid Chi Fu Ling if you have pure spleen deficiency without heat, or Yin deficiency. Avoid Fu Ling if you have severe damp-heat or extreme dehydration.
Clinical Scenarios: Chi Fu Ling is often in summer damp-heat clearing formulas. Fu Ling is a staple in daily digestive tonics for a weak stomach.

3. The One-Sentence Summary

In short: Chi Fu Ling leans toward clearing damp-heat and calming the mind, while Fu Ling leans toward strengthening the Spleen and boosting digestion to clear water. They are not interchangeable.

Classical Formulas Containing Chi Fu Ling

Bi Xie Shen Shi Tang

萆薢滲濕湯

Formula CategoryDampness-Draining FormulasPrimary PatternDamp-HeatPrimary FunctionClear heat, drain damp, resolve turbidityRelated ConditionsFrequent Urination

View Formula Profile Read Complete Guide

Hua Gai San

華蓋散

Formula CategoryExterior-Releasing FormulasPrimary PatternWind-ColdPrimary FunctionRelease exterior, diffuse Lung, resolve phlegm, stop coughRelated ConditionsCough·Asthma & Wheezing

View Formula Profile Read Complete Guide

Formulas vs. Single Herbs

Synergy is Key: A formula is a balanced team. The healing power comes from how the herbs interact, so a single herb cannot simply replicate a full formula's effects.
Holistic Balance: The exact dosage and combination in a formula affect the entire body. Never try to mix or alter these formulas at home based on internet articles.

Diet & Daily Home Use

1. Home Herbal Recipes and Teas

Chi Fu Ling and Winter Melon Tea:

Ingredients: 10g Chi Fu Ling (Red Poria), 15g winter melon peel, 6g stir-fried Bai Zhu (Atractylodes).
How to make it: Rinse the Chi Fu Ling and Bai Zhu with water. Put them in a pot with the winter melon peel, add a good amount of water, and simmer for 20 minutes. Strain the liquid and drink it as tea.
When to use it: Great for summer days when damp-heat makes you feel heavy, your urine is dark, or you feel restless and can't sleep.
Who should avoid it: Do not drink this if you have Yin deficiency (dryness without damp-heat) or a cold, weak digestive system.
Frequency: Stick to 1-2 times a week. It is not meant for long-term daily use. Remember, Chi Fu Ling is a medicinal herb, not a standard grocery item, so watch your dosage.

2. Decoction and Processing Differences

Raw vs. Fried: Raw Chi Fu Ling is best for actively clearing damp-heat. Stir-fried Chi Fu Ling is better for strengthening the spleen when mild dampness is present.
How to Brew: You do not need any special brewing techniques (like pre-boiling or wrapping) for this herb. For home brewing, simply soak the herb slices in water for 30 minutes first. Then, boil them in water—20 minutes for the first boil, and 15 minutes for the second boil with fresh water. Mix the liquid from both boils together before drinking.
Form Matters: Do not try to convert dosages between raw herbs and patent medicines (pills/powders), as the concentrations vary wildly.

3. Dosage and Duration

Clinical Dosage: Traditional prescriptions usually range from 6-15 grams, adjusted based on symptoms.
Dietary Dosage: For food therapy (like soups or teas), use a much smaller amount—usually 3-10 grams. Never use clinical doses for daily meals.
Duration: It is not recommended for continuous, long-term use. Do not use it for more than 2 weeks straight. If your symptoms do not improve, consult a professional.
Special Groups: Always consult a doctor or herbalist before use to adjust the dosage based on your specific constitution.

Contraindications & Safety Warnings

1. Who Should Avoid It

Yin Deficiency: If you have a dry mouth/throat, hot hands/feet, a red tongue with little coating, or dry stools, avoid this herb. Its draining nature will only make you more dehydrated.
Pregnancy and Breastfeeding: Use with extreme caution. The draining effect could potentially affect the mother, fetus, or infant.
Children and Seniors: Because their digestive systems are weaker, they should only use it under professional guidance to avoid depleting their energy.
Liver/Kidney Issues: Anyone with abnormal liver or kidney function should be careful, as impaired metabolism could increase the burden on these organs.
Mushroom Allergies: Do not use if you are allergic to Poria or related fungi.
Specific Medications: Consult a doctor if you are on blood thinners or immunosuppressants.

2. Drug Interactions and Dietary Notes

Medication Clashes: Chi Fu Ling may interact with blood thinners, blood pressure meds, diabetes drugs, or sedatives. For example, it might increase the risk of bleeding with anticoagulants or cause blood sugar fluctuations with diabetes meds. Always talk to your doctor if you are on these medications.
Food Pairings: While there is little evidence of general "food clashes," it is always best to be cautious when combining herbs with prescription drugs. Do not mix them without professional advice.

3. Adverse Reactions and Overdose Risks

Normal Use: It is generally safe at normal doses. A few people might experience mild stomach upset, like bloating or diarrhea.
Overdose: Taking too much can severely drain your body's fluids, leading to Yin deficiency symptoms like dry mouth, dry throat, and hot hands/feet.
When to Stop: If you experience severe discomfort, allergic reactions, continuous vomiting, difficulty breathing, or rapid worsening of symptoms, stop immediately and seek medical help.

Frequently Asked Questions About Chi Fu Ling

What is Chi Fu Ling? Are Bai Fu Ling, Fu Ling Pi and Fu Shen the same?

Chi Fu Ling (赤茯苓) is the pale-red portion of the sclerotium of Poria cocos near the outer skin. It is the same fungus as white poria, not another species. The pharmacopoeia mostly lists them together as Poria. Bai Fu Ling is sweet-bland and neutral: promotes urination, percolates dampness, fortifies the Spleen and calms the Heart. Fu Ling Pi promotes urination and reduces swelling, moving toward the fleshy exterior. Fu Shen is the portion around the pine root and is more specific for calming the Heart. Write Chi Fu Ling. Use caution in yin vacuity without damp-heat.

What are the TCM properties and traditional uses of Chi Fu Ling?

Materia medica records Chi Fu Ling as sweet, bland, neutral and leaning cool, entering the Heart, Spleen and Bladder channels, and acting to percolate damp-heat and separate urine. It is used for damp-heat pouring downward, inhibited urine, and rough painful turbid strangury. Bland and percolating, leaning cool, it suits lower-burner damp-heat—it is not the Spleen-fortifying, spirit-calming white poria, and is not for yin vacuity with fluid damage used alone.

Does Chi Fu Ling need special processing? Can Bai Fu Ling replace it?

Take the pale-red portion of the sclerotium, remove the outer skin, cut and dry. White poria leans to fortifying the Spleen and calming the Heart; it cannot replace percolating damp-heat by equal weight. Poria skin moves to the exterior and reduces swelling—a different direction. Commercial red-poria tea is not equal-weight pieces.

What is the usual dosage? Can it be drunk daily as a damp tea?

The usual decoction dose is 9–15 g. It is not a four-season “red poria damp tea.” Yin vacuity without damp only injures further as it percolates. Strangury needs a practitioner to name a short course; it does not replace urinalysis.

What are the contraindications? Can it be used in pregnancy?

Unsuitable in yin vacuity with fluid damage and no damp-heat. Pregnancy needs a practitioner’s assessment. Stop if dry mouth or scanty urine appears. Blood in the urine, low-back pain with fever, and anuria need medical care.

Can Chi Fu Ling percolate damp-heat and separate urine?

It can help inhibited urine from lower-burner damp-heat. It joins gardenia, licorice, Chinese angelica and peony in a Wu Lin San type formula. It percolates damp-heat and separates urine—not a specific for every edema or every insomnia.

Can Chi Fu Ling be drunk daily as a damp, strangury or swelling tea?

Damp-heat strangury may enter a short formula; yin vacuity without damp only injures further as it percolates. “Red poria must free strangury and disperse swelling” does not replace urine assessment. Percolating damp-heat should name 9–15 g.

How do you choose among Chi Fu Ling, Bai Fu Ling, Fu Ling Pi, Fu Shen and Zhu Ling?

Red poria is sweet-bland and leaning cool: percolates damp-heat and separates urine—lower-burner damp-heat strangury. White poria is sweet-bland and neutral: promotes urination, percolates dampness, fortifies the Spleen and calms the Heart—Spleen-vacuity edema and palpitations. Poria skin is sweet-bland and neutral: promotes urination and reduces swelling—skin water. Poria spirit is sweet-bland and neutral: calms the Heart—palpitations and insomnia. Polyporus is sweet-bland and neutral: promotes urination and percolates dampness, more specific for water and without supplementation. Damp-heat painful strangury favors Chi Fu Ling (Wu Lin San); Spleen-vacuity edema favors Bai Fu Ling; skin water favors Fu Ling Pi; insomnia favors Fu Shen; simple water retention favors Zhu Ling. They may be paired after pattern differentiation; yin vacuity without damp forbids large Chi Fu Ling and Zhu Ling.

Which herbs is Chi Fu Ling combined with? What are the representative formulas?

Damp-heat strangury joins gardenia, licorice, Chinese angelica and red peony in Wu Lin San. It may also join plantago seed and talc after pattern differentiation. Write Chi Fu Ling 9–15 g; do not replace percolating damp-heat with white poria by equal weight.

How do you choose and store Chi Fu Ling?

Choose pale-red blocks, firm, a granular cut face, a faint odor and a bland taste. Moldy, moth-eaten, skin- or wood-bearing, or blackened lots are discarded. Store dry against moisture. Buy Chi Fu Ling; do not replace percolating damp-heat and separating urine with white poria or poria skin by equal weight.

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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.