Liver 9 (LV 9) Yin Bao — Yin Bladder

This point, on the medial thigh, regulates menstruation, benefits the lower burner and relieves urinary disorders.

Liver 9 (LV 9) Yin Bao 陰包 — Yin Bladder

Location

On the medial aspect of the thigh, 4 cun proximal to the base of the patella, between the vastus medialis and sartorius muscles.

Anatomy

Between vastus medialis and sartorius, on adductor magnus; the femoral artery and vein and the descending genicular artery; the anterior femoral cutaneous nerve and the saphenous nerve.

Actions & Functions

  • Regulates menstruation
  • Regulates the lower burner and urination

Indications

Irregular menstruation, lower abdominal pain, difficult urination and enuresis, and pain of the lumbosacral region radiating to the lower abdomen.

Needling

0.8-1.2 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With SP-6 and REN-4 for menstrual disorders.

Classical Text References

Used for menstrual and urinary disorders.

Cautions & Contraindications

Avoid the femoral artery and vein.

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

Traditional Chinese Medicine Improves Nutritional Status in Maintenance Haemodialysis Patients, Meta-Analysis Finds

Research summary (Traditional Chinese Medicine): Efficacy of traditional Chinese medicine in improving nutritional status among Chinese maintenance hemodialysis patients: a meta-analysis of - Frontiers in nutrition, 2026.