Guā Lóu (瓜蒌), known in English as Trichosanthes fruit (Trichosanthes kirilowii), is a cold, sweet and slightly bitter Chinese herb from the Resolve phlegm category. It enters the Lung, Stomach and Large Intestine channels. Its main action: clears Heat-Phlegm, moistens Lung.

Illustration of Guā Lóu (Trichosanthes fruit), the dried herb
Illustration of the dried herb. Hear it pronounced in Mandarin:
PinyinGuā Lóu (Gua Lou)
Chinese瓜蒌
EnglishTrichosanthes fruit
Botanical nameTrichosanthes kirilowii
CategoryResolve phlegm
NatureCold
FlavourSweet, Slightly bitter
ChannelsLung, Stomach, Large Intestine
Dosage9–15g (full fruit); seeds 9–15g
CautionsCold-Phlegm; Spleen deficiency diarrhoea; incompatible with Fu Zi (18 incompatibilities)

Actions

  • Clears Heat-Phlegm, moistens Lung
  • Unbinds chest, dissipates nodules
  • Moistens intestines, unblocks bowels

Indications

  • Heat-Phlegm cough
  • Chest Bi with phlegm
  • Breast abscess
  • Constipation from dryness

How to remember Guā Lóu

Most Resolve phlegm herbs enter the Lung channel.

You can work these out
Lung channel: from its action “moistens Lung”
Large Intestine channel: from its action “Moistens intestines”
Learn by heart
Cold: Resolve phlegm herbs vary in nature
Sweet: Resolve phlegm herbs vary in flavour
Slightly bitter: Resolve phlegm herbs vary in flavour
Stomach channel: nothing in its group or its actions points to it

Other Resolve phlegm herbs

Test yourself

What is the nature and flavour of Guā Lóu?

Guā Lóu is cold and sweet and slightly bitter.

Which channels does Guā Lóu enter?

Guā Lóu enters the Lung, Stomach and Large Intestine channels.

What are the actions of Guā Lóu?

Clears Heat-Phlegm, moistens Lung; Unbinds chest, dissipates nodules; Moistens intestines, unblocks bowels.

What is Guā Lóu used for?

Heat-Phlegm cough; chest Bi with phlegm; breast abscess; constipation from dryness.

Practise Guā Lóu 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.