Educational information, not medical advice — ask your doctor or midwife.
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Xuan Fu Hua is the dried flower head of the inula plant. In Chinese medicine it is used for a wet cough with lots of phlegm, for a tight or full chest, and for burping, hiccups and vomiting.
It is a single herb, not a blend. In practice it is nearly always boiled with other herbs in a formula rather than taken on its own.
The flower is covered in fine hairs. The hairs can scratch the throat, so the flower is tied in a cloth bag before it is boiled, and the liquid is strained.
The evidence line: the herb has a long record in Chinese medicine, but we found no human trials for it. A long history of use is not proof that a herb works, and that gap applies to everything below.
No one has shown how this herb acts in the human body.
In Chinese medicine terms, it is said to push qi downward, break up phlegm, and settle a stomach that is pushing food back up. Those are ideas from that system, not measured drug actions.
Lab and animal studies point to compounds in the flower that calm swelling and relax airway muscle in a dish. Work in a dish or in mice does not tell you what happens in a person.
The main form is the dried flower head, sold loose by weight for boiling into a tea.
You may also see it as a powder, in ready-made pills or granules, or inside a mixed Chinese formula. On labels it may be written as Inula Flower or Flos Inulae.
A related form, Xuan Fu Hua stir-fried with honey, is sometimes used for cough. Whatever the form, the hairs must be strained or wrapped so they do not reach your throat.
The herb appears in the Shen Nong Ben Cao Jing, a Chinese herb book from roughly 2,000 years ago. It has stayed in steady use in Chinese medicine ever since, mostly in cough and stomach formulas. It has no matching record in other major herbal traditions.
See a doctor if your cough lasts more than three weeks, if you cough up blood or green-brown phlegm, or if you have a fever that will not settle. Get help the same day for chest pain, shortness of breath at rest, vomiting that will not stop, or signs of dehydration such as very little urine. Go to emergency care straight away if your lips or tongue swell, your throat tightens, or you develop a spreading rash with trouble breathing, as these are signs of a serious allergic reaction. Stop the herb and speak to a doctor if you get unusual bruising or bleeding.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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