About This Herb*
Traditional Chinese Medicine background and properties
Herb Description*
Bái Xiān Pí is a bitter, cold herb widely regarded as one of the most important herbs in Chinese dermatology. It clears Heat and Dampness from the skin and relieves itching, making it a go-to choice for eczema, hives, fungal infections, and other itchy skin conditions. It is also used for jaundice and hot, painful joints caused by Damp-Heat accumulation.
Herb Category*
Main Actions*
- Clears Heat and dries Dampness
- Dispels Wind and Stops Itching
- Resolves Toxicity
- Clears Damp-Heat from the Skin
- Clears Damp-Heat and Resolves Jaundice
How These Actions Work*
'Clears Heat and dries Dampness' is the primary action of Bái Xiān Pí. Its bitter taste has a natural drying quality, and its cold nature directly counters Heat. Together, these properties make it effective for conditions where Dampness and Heat combine in the body, such as weeping skin lesions with yellow discharge, jaundice with dark urine, or hot, swollen joints. As the Ben Cao Gang Mu states, this herb's cold nature allows it to move freely through the body while its bitter, drying quality makes it essential for treating jaundice and Wind-Damp impediment.
'Dispels Wind and relieves itching' means that Bái Xiān Pí addresses the Wind component of skin diseases. In TCM, itching is closely associated with Wind, and this herb's ability to both clear Heat from the skin and expel Wind makes it one of the most important herbs in dermatology. It is used for eczema, hives, scabies, and various itchy rashes, either taken internally as a decoction or applied externally as a wash.
'Resolves toxins' refers to the herb's ability to clear toxic Heat from the body. This covers skin infections with pus, boils, abscesses, and sores with red, inflamed, ulcerated tissue. Its bitter-cold nature drives out the Heat toxins lodged in the skin and flesh. This action makes it useful both internally for systemic toxic Heat and externally for local skin infections.
Patterns Addressed*
In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Bai Xian Pi 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 Bai Xian Pi addresses this pattern
Bái Xiān Pí directly addresses Damp-Heat by combining a bitter taste (which dries Dampness) with a cold nature (which clears Heat). It enters the Spleen and Stomach channels, the organs most susceptible to Damp-Heat accumulation. When Damp-Heat lodges in the skin, it produces weeping sores, oozing lesions, and yellow discharges. When it settles in the middle and lower burners, it causes jaundice and urinary difficulty. Bái Xiān Pí's ability to both dry Dampness and clear Heat simultaneously makes it especially effective at resolving these intertwined pathogenic factors.
A practitioner would look for one or more of these signs
Weeping, oozing skin lesions with yellow fluid
Yellow skin and eyes with dark urine
Painful, dark urination from Damp-Heat in the Bladder
Why Bai Xian Pi addresses this pattern
When Wind-Heat invades the body's surface, it produces red, itchy skin eruptions such as hives, rashes, and dermatitis. Bái Xiān Pí's cold nature clears the Heat component while its ability to dispel Wind addresses the itching directly. The classical teaching that 'itching comes from Wind' explains why this herb is so central to treating itchy skin diseases. Its channel entry into the Spleen and Stomach also helps address the underlying tendency for Dampness to accumulate alongside the Wind-Heat, which often makes these conditions more stubborn and persistent.
A practitioner would look for one or more of these signs
Red, raised wheals that appear and disappear with intense itching
Red, hot, itchy skin rashes
Generalized skin itching worsened by heat
Why Bai Xian Pi addresses this pattern
Damp-Heat accumulating in the Liver and Gallbladder overflows into the skin, producing the characteristic yellowing of jaundice. Bái Xiān Pí clears Damp-Heat and was described in the Ben Cao Gang Mu as an essential herb for all types of jaundice (诸黄要药). Its bitter, cold properties drain Damp-Heat downward through the Bladder channel, helping resolve the yellow discoloration. Classical texts describe its use for 'Heat jaundice, alcohol jaundice, acute jaundice, food jaundice, and exhaustion jaundice', showing its broad application across jaundice patterns.
A practitioner would look for one or more of these signs
Whole-body yellowing with yellow sclera
Liver inflammation with Damp-Heat signs
TCM Properties*
Cold
Bitter (苦 kǔ)
Bark (皮 pí / 树皮 shù pí)
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.