DU9 Extremity of Yang

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

DU9 (Zhiyang, “Extremity of Yang”) is an acupuncture point on the Governing Vessel Meridian. It is located on the posterior midline, in the depression below the spinous process of the seventh thoracic vertebra (T7). It regulates Liver and Gallbladder, clears damp-heat, benefits the chest.

Location

On the posterior midline, in the depression below the spinous process of the seventh thoracic vertebra (T7).

Needling

Oblique insertion superiorly 0.5-1 cun. Caution for pneumothorax.

⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

TCM functions

Regulates Liver and Gallbladder, clears damp-heat, benefits the chest.

Indications

Jaundice, chest pain, cough, asthma, stiffness of the spine.

Clinical notes

DU9, 'Extremity of Yang,' is a powerful point for regulating the Liver and Gallbladder, especially for clearing damp-heat from these organs, manifesting as jaundice, hypochondriac pain, or bitter taste. It also benefits the chest, addressing issues like asthma, cough, and fullness. Its ability to clear damp-heat makes it a key point for hepatitis and cholecystitis. It is often combined with BL19 for Liver/Gallbladder damp-heat.

On the Governing Vessel channel

DU9 is one of 28 points on the Governing Vessel Meridian. Nearby points:

Frequently asked questions

Where is DU9 located?

DU9 (Zhiyang) is located on the posterior midline, in the depression below the spinous process of the seventh thoracic vertebra (T7).

What is DU9 used for?

DU9 regulates Liver and Gallbladder, clears damp-heat, benefits the chest. Common clinical indications include jaundice, chest pain, cough, asthma, stiffness of the spine.

How is DU9 needled?

Oblique insertion superiorly 0.5-1 cun. Caution for pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

Which meridian is DU9 on?

DU9 is a point on the Governing Vessel Meridian (Dū Mài).

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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.