Kidney 8 (KI 8) Jiao Xin — Intersection Reach

This is the Xi-Cleft point of the Yin Qiao Mai. It regulates menstruation, stops uterine bleeding and benefits the lower burner.

Kidney 8 (KI 8) Jiao Xin 交信 — Intersection Reach

Location

On the medial aspect of the lower leg, 2 cun superior to KI-3, 0.5 cun anterior to KI-7, posterior to the medial border of the tibia.

Anatomy

Posterior to the tibia, on flexor digitorum longus; the posterior tibial artery; the medial crural cutaneous nerve and the tibial nerve.

Actions & Functions

  • Regulates menstruation and stops uterine bleeding
  • Regulates the lower burner and benefits the genitals

Indications

Irregular and excessive uterine bleeding, prolapse of the uterus, dysmenorrhoea, genital pain and itching, and diarrhoea or constipation.

Needling

0.5-1.0 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With SP-1 and SP-6 for uterine bleeding.

Classical Text References

The Xi-Cleft point of the Yin Qiao Mai.

Cautions & Contraindications

None specific.

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.

Check Also

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.