Pericardium 7 (PC 7) Da Ling — Great Mound

This is the Yuan-Source and Shu-Stream point of the Pericardium channel. It clears Heart heat, calms the spirit and harmonises the stomach.

Pericardium 7 (PC 7) Da Ling 大陵 — Great Mound

Location

At the wrist, on the midpoint of the transverse wrist crease, between the tendons of palmaris longus and flexor carpi radialis.

Anatomy

Between palmaris longus and flexor carpi radialis tendons; the palmar carpal arterial network; the median nerve.

Actions & Functions

  • Clears heat from the Heart and calms the spirit
  • Harmonises the Stomach and Intestines
  • Unbinds the chest

Indications

Cardiac pain and palpitations, mental-emotional disorders and mania, insomnia, stomach pain, and feverish palms.

Needling

0.3-0.5 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With HT-7 for mania and insomnia; with PC-6 for cardiac pain.

Classical Text References

The Yuan-Source, Shu-Stream (Earth) point and sedation point of the Pericardium.

Cautions & Contraindications

Avoid the 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.

Check Also

PubMed research

Traditional Chinese Medicine Improves Nutritional Status in Maintenance Haemodialysis Patients, Meta-Analysis Finds

Research summary (Traditional Chinese Medicine): Efficacy of traditional Chinese medicine in improving nutritional status among Chinese maintenance hemodialysis patients: a meta-analysis of - Frontiers in nutrition, 2026.