Shēng Má (升麻), known in English as Cimicifuga rhizome (Cimicifuga heracleifolia), is a cool, acrid and sweet Chinese herb from the Release exterior (Heat) category. It enters the Lung, Spleen, Stomach and Large Intestine channels. Its main action: releases exterior, vents rashes (early stage).

Illustration of Shēng Má (Cimicifuga rhizome), the dried herb
Illustration of the dried herb. Hear it pronounced in Mandarin:
PinyinShēng Má (Sheng Ma)
Chinese升麻
EnglishCimicifuga rhizome
Botanical nameCimicifuga heracleifolia
CategoryRelease exterior (Heat)
NatureCool
FlavourAcrid, Sweet
ChannelsLung, Spleen, Stomach, Large Intestine
Dosage3–9g
CautionsMeasles fully erupted; Yin deficiency with Heat rising; use cautiously with ascending conditions

Actions

  • Releases exterior, vents rashes (early stage)
  • Clears Heat, resolves toxicity — head and face
  • Raises Yang qi, lifts prolapse

Indications

  • Early measles with poor eruption
  • Gum and throat ulcers from Stomach Fire
  • Prolapse of organs
  • Haemorrhoids

How to remember Shēng Má

Release exterior (Heat) herbs are mostly cool or cold, acrid and sweet, and most enter the Lung and Liver channels.

You can work these out
Cool, Acrid, Sweet: like most Release exterior (Heat) herbs
Lung channel: from its action “Releases exterior”
Stomach channel: from its use for “gum and throat ulcers from Stomach Fire”
Learn by heart
Spleen and Large Intestine channels: nothing in its group or its actions points to them

Formulas containing Shēng Má

Other Release exterior (Heat) herbs

Test yourself

What is the nature and flavour of Shēng Má?

Shēng Má is cool and acrid and sweet.

Which channels does Shēng Má enter?

Shēng Má enters the Lung, Spleen, Stomach and Large Intestine channels.

What are the actions of Shēng Má?

Releases exterior, vents rashes (early stage); Clears Heat, resolves toxicity — head and face; Raises Yang qi, lifts prolapse.

What is Shēng Má used for?

Early measles with poor eruption; gum and throat ulcers from Stomach Fire; prolapse of organs; haemorrhoids.

Which formulas contain Shēng Má?

Bǔ Zhōng Yì Qì Tāng and Qīng Wèi Sǎn.

Practise Shēng Má and the other 290 herbs

Recognise each herb from its picture, recall its nature, flavour, channels and actions, and review it again just before you would forget it.

Try the 5-question herb quiz

Or practise a TCM case

Shen Study is a study tool. Doses and cautions are as taught in standard Chinese materia medica texts; they are not prescribing advice.