REN21 (Xuanji, “Jade Pivot”) is an acupuncture point on the Conception Vessel Meridian. REN21 is located on the anterior midline of the chest, at the center of the manubrium, 1 cun inferior to REN22. It descends lung qi and relieves cough.
REN21 is located on the anterior midline of the chest, at the center of the manubrium, 1 cun inferior to REN22.
Oblique insertion inferiorly 0.3-0.5 cun. Caution for pneumothorax.
Descends lung qi and relieves cough.
Cough, asthma, chest pain, fullness in the chest and diaphragm.
REN21 is primarily used to descend Lung Qi and relieve cough, especially when accompanied by chest fullness or a feeling of obstruction. It is effective for both acute and chronic cough, asthma, and bronchitis, helping to clear the airways and ease breathing. Its action on the chest also makes it useful for alleviating pain and discomfort in the sternal region. It is often combined with LU7 for cough or REN17 for chest oppression.
REN21 is one of 24 points on the Conception Vessel Meridian. Nearby points:
REN21 is located on the anterior midline of the chest, at the center of the manubrium, 1 cun inferior to REN22.
REN21 descends lung qi and relieves cough. Common clinical indications include cough, asthma, chest pain, fullness in the chest and diaphragm.
Oblique insertion inferiorly 0.3-0.5 cun. Caution for pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.
REN21 is a point on the Conception Vessel Meridian (Rèn Mài).