REN16 Central Courtyard

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

REN16 (Zhongting, “Central Courtyard”) is an acupuncture point on the Conception Vessel Meridian. It is located on the anterior midline of the chest, at the level of the fifth intercostal space, on the xiphisternal synchondrosis. It regulates Qi in the chest and diaphragm, alleviates pain.

Location

On the anterior midline of the chest, at the level of the fifth intercostal space, on the xiphisternal synchondrosis.

Needling

Oblique insertion inferiorly 0.5-1 cun. Caution: Pneumothorax.

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

TCM functions

Regulates Qi in the chest and diaphragm, alleviates pain.

Indications

Fullness and pain in the chest and hypochondrium, hiccup, vomiting.

Clinical notes

Ren16, 'Central Courtyard', is primarily used to regulate Qi in the chest and diaphragm, making it beneficial for conditions like chest oppression, pain, and difficulty breathing. It helps to descend rebellious Qi and alleviate discomfort in the epigastric region. While less commonly used than other Ren points, it can be effective for localized chest stagnation.

On the Conception Vessel channel

REN16 is one of 24 points on the Conception Vessel Meridian. Nearby points:

Frequently asked questions

Where is REN16 located?

REN16 (Zhongting) is located on the anterior midline of the chest, at the level of the fifth intercostal space, on the xiphisternal synchondrosis.

What is REN16 used for?

REN16 regulates Qi in the chest and diaphragm, alleviates pain. Common clinical indications include fullness and pain in the chest and hypochondrium, hiccup, vomiting.

How is REN16 needled?

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

Which meridian is REN16 on?

REN16 is a point on the Conception Vessel Meridian (Rèn 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.