Lung 6 (LU 6) Kong Zui — Collection Hole

This is the Xi-Cleft (accumulation) point of the Lung channel. As a Xi-cleft point it is reserved for acute Lung conditions and for stopping bleeding such as haemoptysis.

Lung 6 (LU 6) Kong Zui 孔最 — Collection Hole

Location

On the palmar aspect of the forearm, 7 cun proximal to the wrist crease (LU-9), on the line connecting LU-5 and LU-9.

Anatomy

Brachioradialis and the radial border of flexor carpi radialis; the radial artery and cephalic vein; the lateral antebrachial cutaneous nerve and the superficial radial nerve.

Actions & Functions

  • Clears heat and descends rebellious Lung qi
  • Stops bleeding (haemoptysis)
  • Benefits the throat and the voice

Indications

Acute cough and asthma, haemoptysis, sore throat and loss of voice, haemorrhoids, and febrile disease without sweating.

Needling

0.5-1.0 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With LU-5 for haemoptysis; with LU-7 for acute cough and sore throat.

Classical Text References

The Xi-Cleft point of the Lung, classically indicated for acute and severe Lung patterns and for bleeding.

Cautions & Contraindications

Avoid the radial artery.

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.