Yin Linking Vessel 阴维脉

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

Yin Linking Vessel (Yīn Wéi Mài, 阴维脉) is one of the eight extraordinary vessels in acupuncture and Traditional Chinese Medicine, Yin in polarity. This vessel is responsible for linking and integrating all the yin channels, regulating the yin qi of the body.

Chinese阴维脉
PinyinYīn Wéi Mài
Groupextraordinary
Yin / YangYin
Master pointPC6
Coupled pointSP4

Channel pathway

The Yin Linking Vessel originates in the lower abdomen, ascending along the medial aspects of the legs and thighs. It travels up the abdomen and chest, connecting with the three leg yin channels and the three arm yin channels. It continues its ascent to the throat and then to the head, where it links with the Du Mai at GV15 and GV16, and also connects with the Gallbladder channel at GB13, GB14, GB15, GB16, GB17, GB18, GB19, GB20, GB21. It essentially binds together all the yin channels of the body.

Physiology & functions

This vessel is responsible for linking and integrating all the yin channels, regulating the yin qi of the body. It plays a crucial role in maintaining the balance of yin and blood, particularly in the interior. It also influences the heart, chest, and stomach, and has a connection to emotional and mental well-being.

When the channel is disordered

Disorders of the Yin Linking Vessel often manifest as internal urgency, characterized by sensations of fullness or pain in the chest, heart, and stomach. Other symptoms can include mental-emotional disturbances such as anxiety, depression, and a feeling of being overwhelmed. Issues related to the heart and blood, like palpitations or blood stasis, may also arise.

Key & command points

Frequently asked questions

What is the pathway of the Yin Linking Vessel?

The Yin Linking Vessel originates in the lower abdomen, ascending along the medial aspects of the legs and thighs. It travels up the abdomen and chest, connecting with the three leg yin channels and the three arm yin channels. It continues its ascent to the throat and then to the head, where it links with the Du Mai at GV15 and GV16, and also connects with the Gallbladder channel at GB13, GB14, GB15, GB16, GB17, GB18, GB19, GB20, GB21. It essentially binds together all the yin channels of the body.

What does the Yin Linking Vessel do in TCM?

This vessel is responsible for linking and integrating all the yin channels, regulating the yin qi of the body. It plays a crucial role in maintaining the balance of yin and blood, particularly in the interior. It also influences the heart, chest, and stomach, and has a connection to emotional and mental well-being.

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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.