About This Herb*
Traditional Chinese Medicine background and properties
Herb Description*
Chuān Bèi Mǔ (Sichuan fritillary bulb) is one of the most prized Chinese herbs for cough, especially dry cough with little or sticky phlegm. It gently moistens the lungs and clears heat, making it ideal for lingering coughs, throat dryness, and conditions where the lungs have become too dry. It is the key ingredient in many popular Chinese cough syrups and the well-known home remedy of steaming pear with fritillary powder.
Herb Category*
Main Actions*
- Clears Heat and Moistens the Lungs
- Resolves Phlegm and Stops Cough
- Disperses Swelling and Dissipates Nodules
How These Actions Work*
'Clears Heat and moistens the Lungs' means Chuān Bèi Mǔ addresses dryness and Heat in the Lungs. Its slightly cool nature clears Lung Heat, while its sweet taste moistens and nourishes Lung tissue. This makes it especially suited for dry, unproductive coughs or coughs with scant, sticky phlegm that is difficult to expectorate. Unlike many phlegm-resolving herbs that tend to be drying, Chuān Bèi Mǔ is gentle and moistening, making it safe to use in conditions where the Lung fluids are already depleted.
'Transforms phlegm and stops cough' refers to its ability to resolve phlegm accumulation in the Lungs and calm coughing. Its bitter taste has a descending and dissipating quality that helps break up thick, sticky phlegm, while its sweet, moistening nature prevents the further drying of Lung tissue. This combination makes it particularly effective for Heat-type phlegm (hot, yellow, sticky sputum) and Dryness-type phlegm (scant, hard-to-expectorate phlegm), as well as chronic cough from Lung Yin deficiency.
'Dissipates nodules and reduces swellings' means the herb can address lumps, masses, and swollen glands caused by phlegm and Heat accumulating and congealing in tissue. In classical practice, this action was applied to conditions like scrofula (lymph node swellings along the neck), breast abscesses, and lung abscesses. The herb's cool, bitter properties help clear the Heat component while its phlegm-resolving action addresses the underlying accumulation.
Patterns Addressed*
In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Chuan Bei Mu is traditionally associated with these specific patterns.
The following describes this herb's classification within Traditional Chinese Medicine theory and is provided for educational purposes only.
Why Chuan Bei Mu addresses this pattern
Lung Yin Deficiency produces chronic dry cough, scanty phlegm, and dry throat because the Lungs lack the fluids needed to keep respiratory tissue moist and functioning smoothly. Chuān Bèi Mǔ is ideally suited for this pattern because its sweet taste moistens and nourishes Lung Yin, its slightly cool nature gently clears any residual deficiency Heat, and its phlegm-transforming action addresses the sticky, difficult-to-expectorate phlegm that forms when fluids are depleted. This is the pattern where Chuān Bèi Mǔ is most distinguished from other phlegm-resolving herbs: its gentle, moistening quality (unlike the harsher, more drying Zhè Bèi Mǔ) makes it the preferred choice for deficiency-type respiratory conditions.
A practitioner would look for one or more of these signs
Chronic dry cough or cough with very little phlegm
Dry, scratchy throat
Occasional blood-streaked sputum
Night sweats or afternoon tidal heat
Why Chuan Bei Mu addresses this pattern
When Heat invades the Lungs or Dryness-Heat scorches Lung fluids, the fluids congeal into thick, sticky phlegm that is yellow and difficult to cough up. Chuān Bèi Mǔ enters the Lung channel and its cool, bitter nature clears Lung Heat, while its sweet, moistening quality softens and dissolves the thickened phlegm. This dual action of clearing Heat and resolving phlegm without further damaging Lung fluids is the herb's core therapeutic strength. It is commonly combined with Guā Lóu (Trichosanthes fruit) in this context for a synergistic effect.
A practitioner would look for one or more of these signs
Cough with thick, sticky yellow phlegm
Sore, dry throat
Phlegm that is difficult to expectorate
Why Chuan Bei Mu addresses this pattern
When Phlegm and Fire bind together and accumulate in the channels, they can form hard nodules such as swollen lymph nodes (scrofula), breast lumps, or goitre. Chuān Bèi Mǔ's bitter, cool nature clears the Heat component, while its phlegm-dissipating action softens and breaks down congealed masses. Though Zhè Bèi Mǔ (Zhejiang fritillary) is generally considered stronger for this nodule-dissipating purpose, Chuān Bèi Mǔ is still used when the patient also shows signs of Yin deficiency or dryness, where a gentler herb is preferable.
A practitioner would look for one or more of these signs
Hard, swollen lymph nodes (especially along the neck)
Breast lumps or swelling
Goitre or thyroid nodules
TCM Properties*
Slightly Cool
Bitter (苦 kǔ), Sweet (甘 gān)
Bulb (鳞茎 lín jīng)
This is partial information on the herb's TCM properties. More detailed information is available on the herb's dedicated page
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.