Xì Xīn (细辛), known in English as Wild ginger (Asarum sieboldii), is a warm, acrid Chinese herb from the Release exterior (Cold) category. It enters the Heart, Lung and Kidney channels. Its main action: disperses Cold, relieves pain strongly.

Illustration of Xì Xīn (Wild ginger), the dried herb
Illustration of the dried herb. Hear it pronounced in Mandarin:
PinyinXì Xīn (Xi Xin)
Chinese细辛
EnglishWild ginger
Botanical nameAsarum sieboldii
CategoryRelease exterior (Cold)
NatureWarm
FlavourAcrid
ChannelsHeart, Lung, Kidney
Dosage1–3g
CautionsQi or Yin deficiency; overdose risk — do not exceed 3g in decoction

Actions

  • Disperses Cold, relieves pain strongly
  • Warms Lung, resolves phlegm and fluids
  • Opens orifices

Indications

  • Wind-Cold with severe headache, toothache, nasal congestion
  • Cold phlegm-fluids in Lung

How to remember Xì Xīn

Release exterior (Cold) herbs are mostly warm or hot and acrid, and most enter the Lung channel.

You can work these out
Warm, Acrid: like most Release exterior (Cold) herbs
Lung channel: from its action “Warms Lung”
Learn by heart
Heart and Kidney channels: nothing in its group or its actions points to them

Formulas containing Xì Xīn

Other Release exterior (Cold) herbs

Test yourself

What is the nature and flavour of Xì Xīn?

Xì Xīn is warm and acrid.

Which channels does Xì Xīn enter?

Xì Xīn enters the Heart, Lung and Kidney channels.

What are the actions of Xì Xīn?

Disperses Cold, relieves pain strongly; Warms Lung, resolves phlegm and fluids; Opens orifices.

What is Xì Xīn used for?

Wind-Cold with severe headache, toothache, nasal congestion; Cold phlegm-fluids in Lung.

Which formulas contain Xì Xīn?

Jiǔ Wèi Qiāng Huó Tāng, Xiǎo Qīng Lóng Tāng, Chuān Xiōng Chá Tiáo Sǎn, Dāng Guī Sì Nì Tāng and Wū Méi Wán.

Practise Xì Xīn 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.