DU2 Yaoshu

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

DU2 (Yaoshu, “Yaoshu”) is an acupuncture point on the Governing Vessel Meridian. It is located on the posterior midline, in the depression over the sacral hiatus, which is located below the 21st vertebra in classical counting. It strengthens the lumbar spine and legs, regulates menstruation, dispels wind and cold, resolves damp-heat.

Location

On the posterior midline, in the depression over the sacral hiatus, which is located below the 21st vertebra in classical counting.

Needling

Superiorly oblique insertion, 0.5 to 1.0 cun, directed along the sacral canal.

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TCM functions

Strengthens the lumbar spine and legs, regulates menstruation, dispels wind and cold, resolves damp-heat..

Indications

Lumbar and hip pain, lumbar spinal pain, inability to bend forward or backward, cold sensation and numbness in the feet, persistent heat in the four limbs from a cold-damage disorder, irregular menstruation, amenorrhea, red urine, cold-damp in the lumbar region, pain referring to the genitals, pain that makes it impossible to lie supine, warm-illness (wen malarial) with absence of sweating, foot and leg pain, hemorrhoids, diarrhea, epilepsy, mania..

Clinical notes

Yaoshu is a primary distal point for acute and chronic lumbar pain, especially when centered over the sacrum and radiating to the legs. Its classical indications for menstrual disorders and hemorrhoids highlight its function in regulating the lower jiao. The wide variation in classical needling depths suggests that practitioners adapted their technique based on the patient's constitution and the specific condition being treated.

On the Governing Vessel channel

DU2 is one of 28 points on the Governing Vessel Meridian. Nearby points:

Frequently asked questions

Where is DU2 located?

DU2 (Yaoshu) is located on the posterior midline, in the depression over the sacral hiatus, which is located below the 21st vertebra in classical counting.

What is DU2 used for?

DU2 strengthens the lumbar spine and legs, regulates menstruation, dispels wind and cold, resolves damp-heat. Common clinical indications include lumbar and hip pain, lumbar spinal pain, inability to bend forward or backward, cold sensation and numbness in the feet, persistent heat in the four limbs from a cold-damage disorder, irregular menstruation, amenorrhea, red urine, cold-damp in the lumbar region, pain referring to the genitals, pain that makes it impossible to lie supine, warm-illness (wen malarial) with absence of sweating, foot and leg pain, hemorrhoids, diarrhea, epilepsy, mania.

How is DU2 needled?

Superiorly oblique insertion, 0.5 to 1.0 cun, directed along the sacral canal. Caution: After treatment, avoid sexual activity, heavy lifting, and strenuous exertion.

Which meridian is DU2 on?

DU2 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.