Yaoyan Lumbar Eyes

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

Yaoyan (Yāoyǎn, “Lumbar Eyes”) is an extra (non-channel) acupuncture point. Yaoyan is located in the lumbar region, approximately 3.5 cun lateral to the lower border of the spinous process of the fourth lumbar vertebra (L4). It lies in the depression formed by the sacrospinalis muscle. It strengthens the Kidneys and benefits the lumbar region, dispels cold-damp.

Location

Yaoyan is located in the lumbar region, approximately 3.5 cun lateral to the lower border of the spinous process of the fourth lumbar vertebra (L4). It lies in the depression formed by the sacrospinalis muscle.

Needling

Perpendicular insertion 1.0-1.5 cun. Avoid deep needling in thin individuals.

⚠ Reduce depth in thin patients — avoid deep perpendicular insertion.

TCM functions

Strengthens the Kidneys and benefits the lumbar region, dispels cold-damp.

Indications

Lumbar pain, irregular menstruation.

Clinical notes

Yaoyan is a key empirical point for lumbar pain, particularly chronic, deficiency-type low back ache, often associated with Kidney deficiency. It is highly effective for strengthening the lumbar region and dispelling cold-damp, making it useful for conditions like lumbar muscle strain, sciatica, and disc herniation. Its name, 'Lumbar Eyes,' highlights its direct action on the lower back. It is frequently used with local points like BL23 and BL25 for enhanced effect.

Frequently asked questions

Where is Yaoyan located?

Yaoyan is located in the lumbar region, approximately 3.5 cun lateral to the lower border of the spinous process of the fourth lumbar vertebra (L4). It lies in the depression formed by the sacrospinalis muscle.

What is Yaoyan used for?

Yaoyan strengthens the Kidneys and benefits the lumbar region, dispels cold-damp. Common clinical indications include lumbar pain, irregular menstruation.

How is Yaoyan needled?

Perpendicular insertion 1.0-1.5 cun. Avoid deep needling in thin individuals. Caution: ⚠ Reduce depth in thin patients — avoid deep perpendicular insertion.

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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.