Educational information, not medical advice — ask your doctor or midwife.
Bi Cheng Qie is a small dried berry used in Chinese herbal medicine. It is best known as a warming herb for a cold, achy stomach. Practitioners give it for belly pain, burping, hiccups and mild nausea that feel better with heat.
The berry comes from the mountain pepper tree (Litsea cubeba). It smells sharp and lemony, a bit like ginger mixed with citrus peel. In older books the same name was also used for cubeb pepper (Piper cubeba), a related spice from a different plant.
Evidence verdict: Bi Cheng Qie has a long, settled place in Chinese herbal practice, but almost no human trials test it on its own. Long use in tradition is not proof that a herb works, and that gap applies here.
In Chinese medicine terms, Bi Cheng Qie is called warm and pungent (sharp and spicy). It is said to warm the middle of the body, move stuck energy, and settle a cold stomach. That is a traditional way of describing symptoms, not a lab-tested mechanism.
In the lab, the berry's oil relaxes muscle in animal gut tissue and slows the growth of some germs and fungi. Other lab work suggests the oil can calm swelling in cells. These are test-tube and animal findings.
None of this has been shown to happen in people at the small doses used in tea or a formula. So treat the mechanism as an idea worth testing, not a proven fact.
Bi Cheng Qie is sold as whole or crushed dried berries for making a decoction (a tea boiled from herbs). This is the most common form.
You may also find it as a powder, in granules that dissolve in hot water, or inside a ready-made Chinese formula with several other herbs. A strong essential oil is sold for scent and flavour work.
Do not swallow the essential oil. It is far more concentrated than the berry and is not the form traditional practice uses.
Bi Cheng Qie appears in Chinese herbal texts from about the Tang dynasty onward, roughly the 8th to 10th century. Early writers described it as a warming spice for a cold stomach and for cold, dribbling urine.
It kept a steady but modest place in later materia medica books and is listed in the modern Chinese Pharmacopoeia. In parts of southern China the same berry is also a kitchen spice.
See a doctor if your belly pain is sharp, keeps getting worse, or lasts more than a few days.
Go the same day, or call for urgent help, if you notice any of these: you vomit blood or something that looks like coffee grounds; your stools are black or bloody; you have a fever with belly pain; you cannot keep fluids down; you have pain or blood when you pass urine; your belly is hard and very tender; or you get a swollen face, lips or throat and trouble breathing after taking the herb.
Also check in with your doctor before you start, if you take any prescription medicine every day.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
Reviewed by the HealisticMD editorial team How we grade evidence →
The published evidence for Bi Cheng Qie is weak or absent. That usually means no controlled trial has tested it, not that a trial found it ineffective — the two are different, and we grade only what has been published.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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