PC6 Inner Pass

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

PC6 (Neiguan, “Inner Pass”) is the Luo-Connecting point of the Pericardium channel point of the Pericardium Channel Meridian. It is located on the anterior aspect of the forearm, two cun proximal to the transverse wrist crease, in the depression between the tendons of palmaris longus and flexor carpi radialis. It calms the Heart and Spirit, regulates Qi and alleviates pain, harmonizes the Stomach and alleviates nausea, opens the chest and resolves fullness, clears heat.

Location

On the anterior aspect of the forearm, two cun proximal to the transverse wrist crease, in the depression between the tendons of palmaris longus and flexor carpi radialis.

Needling

Perpendicular insertion 0.5 to 1.0 cun. Oblique proximal insertion up to 1.5 cun for chest or heart issues. Care should be taken to avoid the median nerve which lies directly deep to the point.

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TCM functions

Calms the Heart and Spirit, regulates Qi and alleviates pain, harmonizes the Stomach and alleviates nausea, opens the chest and resolves fullness, clears heat..

Indications

Heart pain, sudden heart pain, heart pain with fullness, heart pain as if suspended, heart pain as if stabbed by a knife, vexation of the heart, heart vexation and inability to move, heart vexation with a sensation of hunger, chest and flank fullness, chest fullness, pain that rushes up to the heart, palpitations, mental restlessness, loss of will, fright and fear, sadness and crying, fright and terror, mania, raving speech, wind-heat in the hands, stomach pain, vomiting, retching, dry retching, nausea, hiccups, abdominal pain, fullness in the middle, food not descending, arm and elbow contracture, inability to extend the arm, eye redness, eye pain with fullness, jaundice, malarial disorders, postpartum blood issues, menstrual irregularities, blood clots..

Luo-Connecting point of the Pericardium channelConfluent point of the Yin Linking Vessel (Yin Wei Mai)

Clinical notes

Neiguan is the Luo-connecting point of the Pericardium and the confluent point of the Yin Wei Mai, giving it a profound ability to treat disorders of the Heart, chest, and stomach. Its classical indications strongly emphasize its role in calming the spirit, alleviating all types of heart pain, and quelling nausea and vomiting. Its connection to the Shaoyang channel via its Luo function also explains its use for issues like malarial disorders and flank pain.

On the Pericardium Channel channel

PC6 is one of 9 points on the Pericardium Channel Meridian. Nearby points:

Frequently asked questions

Where is PC6 located?

PC6 (Neiguan) is located on the anterior aspect of the forearm, two cun proximal to the transverse wrist crease, in the depression between the tendons of palmaris longus and flexor carpi radialis.

What is PC6 used for?

PC6 calms the Heart and Spirit, regulates Qi and alleviates pain, harmonizes the Stomach and alleviates nausea, opens the chest and resolves fullness, clears heat. Common clinical indications include heart pain, sudden heart pain, heart pain with fullness, heart pain as if suspended, heart pain as if stabbed by a knife, vexation of the heart, heart vexation and inability to move, heart vexation with a sensation of hunger, chest and flank fullness, chest fullness, pain that rushes up to the heart, palpitations, mental restlessness, loss of will, fright and fear, sadness and crying, fright and terror, mania, raving speech, wind-heat in the hands, stomach pain, vomiting, retching, dry retching, nausea, hiccups, abdominal pain, fullness in the middle, food not descending, arm and elbow contracture, inability to extend the arm, eye redness, eye pain with fullness, jaundice, malarial disorders, postpartum blood issues, menstrual irregularities, blood clots.

How is PC6 needled?

Perpendicular insertion 0.5 to 1.0 cun. Oblique proximal insertion up to 1.5 cun for chest or heart issues. Care should be taken to avoid the median nerve which lies directly deep to the point. Caution: The Jia Yi Jing states, '刺內關者,伸不能屈' (刺内关者,伸不能屈), which means needling Neiguan can cause an inability to flex the arm. The Huangdi Neijing and Jia Yi Jing describe a severe prognostic sign called 'Neiguan' or 'Yiyin' where the Cunkou pulse is four times larger than the Renying pulse, indicating a fatal condition where yin is obstructed internally.

Which meridian is PC6 on?

PC6 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.