Bladder 18 (BL 18) Gan Shu — Liver Shu

This is the Back-Shu point of the Liver. It spreads Liver qi, nourishes Liver blood, benefits the eyes and the sinews and regulates the emotions.

Bladder 18 (BL 18) Gan Shu 肝俞 — Liver Shu

Location

On the back, 1.5 cun lateral to the lower border of the spinous process of the ninth thoracic vertebra (T9).

Anatomy

On the latissimus dorsi, over the erector spinae; the posterior intercostal artery; the dorsal rami of the thoracic nerves.

Actions & Functions

  • Spreads Liver qi and resolves stagnation (Back-Shu of the Liver)
  • Nourishes Liver blood and benefits the eyes and sinews
  • Regulates the emotions and clears damp-heat (jaundice)

Indications

Hypochondriac pain, depression and irritability, eye disorders and blurred vision, jaundice, and menstrual disorders.

Needling

0.5-0.7 cun, oblique insertion towards the spine.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With LV-3 to spread Liver qi; with BL-23 to nourish Liver and Kidney and benefit the eyes.

Classical Text References

The Back-Shu point of the Liver.

Cautions & Contraindications

Deep perpendicular insertion risks pneumothorax; needle obliquely.

Latest Research

Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.

About Attilio

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

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PubMed research

Acupuncture Shows Sustained Benefits for Chronic Daily Headache Prevention in Adults, Meta-Analysis Finds

Research summary (Acupuncture): Utility of Acupuncture Therapy for Adult Chronic Daily Headache Prophylaxis: A Systematic Review and Meta-Analysis. - Medical science monitor : international medical journal of experimental and clinical research, 2026.