Lái Fú Zǐ (莱菔子), known in English as Radish seed (Raphanus sativus (seed)), is a neutral, acrid and sweet Chinese herb from the Relieve food stagnation category. It enters the Lung, Spleen and Stomach channels. Its main action: reduces food stagnation, relieves distension.

Lái Fú Zǐ Hear it pronounced in Mandarin:
PinyinLái Fú Zǐ (Lai Fu Zi)
Chinese莱菔子
EnglishRadish seed
Botanical nameRaphanus sativus (seed)
CategoryRelieve food stagnation
NatureNeutral
FlavourAcrid, Sweet
ChannelsLung, Spleen, Stomach
Dosage5–12g
CautionsQi deficiency without stagnation; traditionally not combined with Ren Shen

Actions

  • Reduces food stagnation, relieves distension
  • Directs qi downward, transforms Phlegm

Indications

  • Food stagnation with epigastric and abdominal distension and pain, constipation, or diarrhoea with stagnation
  • Phlegm congestion with wheezing and cough

How to remember Lái Fú Zǐ

Relieve food stagnation herbs are mostly sweet, and most enter the Stomach and Spleen channels.

You can work these out
Sweet, Spleen channel: like most Relieve food stagnation herbs
Lung channel: from its action “transforms Phlegm”
Stomach channel: from its action “Reduces food stagnation”
Learn by heart
Neutral: Relieve food stagnation herbs vary in nature
Acrid: unusual for Relieve food stagnation herbs (most are sweet)

Formulas containing Lái Fú Zǐ

Other Relieve food stagnation herbs

Test yourself

What is the nature and flavour of Lái Fú Zǐ?

Lái Fú Zǐ is neutral and acrid and sweet.

Which channels does Lái Fú Zǐ enter?

Lái Fú Zǐ enters the Lung, Spleen and Stomach channels.

What are the actions of Lái Fú Zǐ?

Reduces food stagnation, relieves distension; Directs qi downward, transforms Phlegm.

What is Lái Fú Zǐ used for?

Food stagnation with epigastric and abdominal distension and pain, constipation, or diarrhoea with stagnation; Phlegm congestion with wheezing and cough.

Which formulas contain Lái Fú Zǐ?

Bǎo Hé Wán.

Practise Lái Fú Zǐ 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.