San Jiao 10 (SJ 10) Tian Jing — Heavenly Well

This is the He-Sea and Earth point of the Triple Burner channel. As the sedation point it clears heat, transforms phlegm, dissipates nodules and benefits the elbow.

San Jiao 10 (SJ 10) Tian Jing 天井 — Heavenly Well

Location

On the posterior aspect of the elbow, in the depression approximately 1 cun proximal to the olecranon, when the elbow is flexed.

Anatomy

In the tendon of triceps brachii; the middle collateral artery; the posterior antebrachial cutaneous nerve and the muscular branch of the radial nerve.

Actions & Functions

  • Transforms phlegm and dissipates nodules (scrofula)
  • Clears heat and calms the spirit
  • Benefits the elbow

Indications

Scrofula and phlegm nodules, migraine, pain of the elbow and arm, epilepsy, and mental-emotional disorders.

Needling

0.5-1.0 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With LI-11 and SI-13 for scrofula; with GB-8 for migraine.

Classical Text References

The He-Sea (Earth) point and sedation point of the Triple Burner.

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

Complementary Therapies Including Tai Chi Show Physiological and Psychological Benefits for Chronic Obstructive Pulmonary Disease Patients

Research summary (Tai Chi): Effects of complementary therapies on physiological and psychological outcomes in chronic obstructive pulmonary disease patients: A systemat - Respiratory medicine, 2026.