Educational information, not medical advice — ask your doctor or midwife.
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Ou Jie is the knobby joint that sits between two swollen sections of the lotus root. It is a single herb (one plant, not a blend) used in Chinese medicine. It is also known as lotus root node.
Its main job in that tradition is to slow mild bleeding. Herbalists have used it for nosebleeds, blood in the spit, blood in the urine or stool, and heavy periods. It is often charred over heat first, and that darker form is called Ou Jie Tan.
Here is the short verdict. Ou Jie has a long record in Chinese medicine, but we found no human trials that test it on its own, so its evidence grade is insufficient. A long history of use is not proof that a herb works, and that gap is the honest starting point for this page.
No one has shown how Ou Jie works in the human body. That is the plain state of things today.
Chinese medicine describes it in its own terms. It is said to stop bleeding and to cool "hot" blood, and the charred form is said to hold blood in the vessels more strongly.
Lab work on the lotus plant finds tannins, plant compounds that taste dry and can make surface tissue draw in a little. In theory that could help a small bleed stop. This idea comes from test tubes and animals, not from people.
Lotus also contains flavonoids, plant pigments that mop up some waste chemicals in cells. What that means for a person who drinks a lotus node tea is unknown.
Dried slices of the node are the most common form. Herbalists simmer them in water to make a strong tea, called a decoction.
Other forms you may meet:
- Charred node (Ou Jie Tan), the plain node toasted until dark.
- Powder, sold loose or in capsules.
- Granules, a dried tea extract you stir into hot water.
- Fresh juice, pressed from raw lotus root and node. This is a home remedy in China and Japan.
Ou Jie is rarely used alone. It usually sits inside a larger formula built for the person.
Lotus has been food and medicine in China for well over a thousand years. Chinese herb texts from the Tang and Song periods list the root node on its own, separate from the leaf, seed and stamen.
It kept a steady place in later materia medica works, always in the same role: a gentle herb for minor bleeding. It is still stocked in Chinese pharmacies today.
See a doctor the same day if a nosebleed will not stop after 20 minutes of firm pinching, if you cough up or pass blood, if you feel dizzy, breathless or very pale, or if you bruise easily for no clear reason.
Call emergency services if you vomit blood, pass black tarry stools, or bleed heavily and cannot stop it.
Book a normal appointment if your periods are getting heavier, if bleeding keeps coming back, or if the herb upsets your stomach and does not settle after you stop.
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 Ou Jie 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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