Yu Li Ren (Pruni Semen)

Yu Li Ren (郁李仁), the kernel of the bush cherry, moistens the Intestines and unblocks the bowels, and promotes urination to reduce oedema; a moist laxative that also moves qi.

Yù Lǐ Rén  ·  郁李仁

Latin / Pharmaceutical Name

Prunus japonica (Semen Pruni)

Common English Name

Bush cherry kernel

Taste

Acrid, bitter, sweet

Temperature

Neutral

Channels Entered

Large Intestine, Small Intestine, Spleen

Actions & Functions

  • Moistens the Intestines and unblocks the bowels
  • Promotes urination and reduces oedema

Indications

Constipation from dryness with qi stagnation; and oedema with difficult urination and constipation.

Dosage

6-12 g in decoction (crushed).

Common Combinations

With Huo Ma Ren for dry constipation with qi stagnation.

Cautions & Contraindications

Contraindicated in pregnancy; use with caution in fluid deficiency.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

Check Also

PubMed research

Tai Chi Improves Motor Symptoms in Parkinson’s Disease, Though Underlying Mechanisms Remain Preliminary

Research summary (Tai Chi): Tai Chi for improving motor symptoms in Parkinson's disease patients: a systematic review of mechanisms. - Frontiers in aging neuroscience, 2026.