PC7 Great Mound

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

PC7 (Daling, “Great Mound”) is the Yuan-source point of the Pericardium Channel Meridian. It is located at the midpoint of the transverse wrist crease, between the tendons of palmaris longus and flexor carpi radialis. It calms the spirit, clears heat from the Pericardium, harmonizes the stomach.

Location

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

Needling

Perpendicular insertion 0.5-0.8 cun. Caution: median nerve.

⚠ Major vessel/nerve nearby — palpate first; avoid deep insertion (near the median nerve).

TCM functions

Calms the spirit, clears heat from the Pericardium, harmonizes the stomach.

Indications

Cardiac pain, palpitations, insomnia, mental disorders, stomachache, wrist pain.

Yuan-sourceShu-Stream (Earth)Five-Shu

Clinical notes

As the Yuan-source and Shu-Stream (Earth) point, PC7 is crucial for regulating and tonifying the Pericardium Qi and clearing heat from the channel. It is best known for its powerful ability to calm the spirit, making it a primary point for emotional disorders like anxiety, insomnia, and manic depression. It also effectively clears heat from the Pericardium, useful for fever and delirium, and harmonizes the stomach, addressing bad breath and vomiting due to heat.

On the Pericardium Channel channel

PC7 is one of 9 points on the Pericardium Channel Meridian. Nearby points:

Frequently asked questions

Where is PC7 located?

PC7 (Daling) is located at the midpoint of the transverse wrist crease, between the tendons of palmaris longus and flexor carpi radialis.

What is PC7 used for?

PC7 calms the spirit, clears heat from the Pericardium, harmonizes the stomach. Common clinical indications include cardiac pain, palpitations, insomnia, mental disorders, stomachache, wrist pain.

How is PC7 needled?

Perpendicular insertion 0.5-0.8 cun. Caution: median nerve. Caution: ⚠ Major vessel/nerve nearby — palpate first; avoid deep insertion (near the median nerve).

Which meridian is PC7 on?

PC7 is a point on the Pericardium Channel Meridian (Xīnbāo Jīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.