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, in a depression on the body of the sternum, 1.6 cun inferior to REN-17 (Shanzhong). This point is typically level with the 5th intercostal space. It descends rebellious Qi, unbinds the chest, and harmonizes the Stomach and diaphragm.

Location

On the anterior midline of the chest, in a depression on the body of the sternum, 1.6 cun inferior to REN-17 (Shanzhong). This point is typically level with the 5th intercostal space.

Needling

Transverse-oblique (subcutaneous) insertion, directed inferiorly, 0.3-0.5 cun. Deep perpendicular insertion is contraindicated due to the sternum and the risk of damaging underlying structures if the sternum is foramenous.

TCM functions

Descends rebellious Qi, unbinds the chest, and harmonizes the Stomach and diaphragm..

Indications

Fullness in the chest and hypochondrium, esophageal constriction, inability to eat or drink, vomiting of food, regurgitation of food, rebellious Qi, vomiting, cold in the diaphragm, infantile vomiting of milk, women's hernia with cold pain in the navel and abdomen radiating to the hypochondrium..

Clinical notes

Zhongting is a local point on the chest primarily used for digestive disorders characterized by rebellion and obstruction. Its indications for vomiting, regurgitation, and difficulty swallowing make it useful for conditions like GERD, esophageal spasm, and hiatal hernia when they present with rebellious Stomach Qi. It is particularly indicated when there is a sensation of fullness and blockage in the chest and epigastrium.

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, in a depression on the body of the sternum, 1.6 cun inferior to REN-17 (Shanzhong). This point is typically level with the 5th intercostal space.

What is REN16 used for?

REN16 descends rebellious Qi, unbinds the chest, and harmonizes the Stomach and diaphragm. Common clinical indications include fullness in the chest and hypochondrium, esophageal constriction, inability to eat or drink, vomiting of food, regurgitation of food, rebellious Qi, vomiting, cold in the diaphragm, infantile vomiting of milk, women's hernia with cold pain in the navel and abdomen radiating to the hypochondrium.

How is REN16 needled?

Transverse-oblique (subcutaneous) insertion, directed inferiorly, 0.3-0.5 cun. Deep perpendicular insertion is contraindicated due to the sternum and the risk of damaging underlying structures if the sternum is foramenous.

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.