Pericardium 3 (PC 3) Qu Ze — Marsh at the Bend

This is the He-Sea and Water point of the Pericardium channel. It clears heat from the Heart and blood and is often bled for acute conditions.

Pericardium 3 (PC 3) Qu Ze 曲澤 — Marsh at the Bend

Location

At the elbow, on the cubital crease, in the depression on the ulnar side of the biceps brachii tendon.

Anatomy

Medial to the biceps brachii tendon, on brachialis; the brachial artery and vein; the median nerve and medial antebrachial cutaneous nerve.

Actions & Functions

  • Clears heat from the Heart and the blood
  • Harmonises the Stomach and Intestines
  • Calms the spirit and stops pain

Indications

Cardiac pain and palpitations, febrile disease, acute vomiting and diarrhoea (sunstroke), tremor of the hand and arm, and feverish restlessness.

Needling

0.5-1.0 cun perpendicular; or prick to bleed for acute conditions.

Moxibustion Suitability

Moxibustion is generally avoided given its heat-clearing function.

Point Combinations

Bled with LU-5 for acute vomiting and diarrhoea; with PC-6 for cardiac pain.

Classical Text References

The He-Sea (Water) point of the Pericardium, classically bled to clear heat and for sunstroke.

Cautions & Contraindications

Avoid the brachial artery and median nerve.

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.