Spleen 15 (SP 15) Da Heng — Great Horizontal

This point, lateral to the umbilicus, regulates the Intestines and strengthens the Spleen; a key point for constipation and chronic diarrhoea.

Spleen 15 (SP 15) Da Heng 大橫 — Great Horizontal

Location

On the abdomen, 4 cun lateral to the centre of the umbilicus.

Anatomy

On the external and internal oblique and transversus abdominis; the tenth intercostal and inferior epigastric arteries; the tenth intercostal nerve.

Actions & Functions

  • Regulates the Intestines and the qi of the abdomen
  • Strengthens the Spleen

Indications

Constipation, diarrhoea and dysentery, abdominal pain and distension, and lower abdominal masses.

Needling

0.7-1.2 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With ST-25 and SJ-6 for constipation; with ST-37 for diarrhoea.

Classical Text References

A meeting point with the Yin Wei Mai; classically used for the Intestines.

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.

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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.