DU4 Gate of Life

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

DU4 (Mingmen, “Gate of Life”) is an acupuncture point on the Governing Vessel Meridian. It is located on the midline of the lower back, in the depression below the spinous process of the second lumbar vertebra (L2). The classics locate this point below the fourteenth vertebra when counting down from the cervical spine. It tonifies the Kidney Yang, warms the Gate of Life, strengthens the lower back and knees, benefits the original qi, dispels cold, and calms convulsions.

Location

On the midline of the lower back, in the depression below the spinous process of the second lumbar vertebra (L2). The classics locate this point below the fourteenth vertebra when counting down from the cervical spine.

Needling

Perpendicular-oblique insertion, directed slightly superiorly, 0.5 to 1.0 cun. Deep needling towards the spinal canal is contraindicated.

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TCM functions

Tonifies the Kidney Yang, warms the Gate of Life, strengthens the lower back and knees, benefits the original qi, dispels cold, and calms convulsions..

Indications

Convulsions (tetany), internal tension, pain where the waist and abdomen pull on each other, seminal emission, infertility, miscarriage, menstrual irregularities, uterine cold, lower abdominal pain pulling to the life gate, headache, dizziness, bone soreness, spinal rigidity with opisthotonos, fear as if about to be apprehended, diarrhea, lassitude, chills, impotence..

Clinical notes

Mingmen is a principal point for tonifying Kidney Yang and warming the body's core. It is essential for treating chronic deficiency conditions marked by cold, such as impotence, infertility, chronic diarrhea, and debilitating low back pain. Its name, Gate of Life, reflects its deep connection to the constitutional energy, making it a vital point in treatments for exhaustion and promoting longevity.

On the Governing Vessel channel

DU4 is one of 28 points on the Governing Vessel Meridian. Nearby points:

Frequently asked questions

Where is DU4 located?

DU4 (Mingmen) is located on the midline of the lower back, in the depression below the spinous process of the second lumbar vertebra (L2). The classics locate this point below the fourteenth vertebra when counting down from the cervical spine.

What is DU4 used for?

DU4 tonifies the Kidney Yang, warms the Gate of Life, strengthens the lower back and knees, benefits the original qi, dispels cold, and calms convulsions. Common clinical indications include convulsions (tetany), internal tension, pain where the waist and abdomen pull on each other, seminal emission, infertility, miscarriage, menstrual irregularities, uterine cold, lower abdominal pain pulling to the life gate, headache, dizziness, bone soreness, spinal rigidity with opisthotonos, fear as if about to be apprehended, diarrhea, lassitude, chills, impotence.

How is DU4 needled?

Perpendicular-oblique insertion, directed slightly superiorly, 0.5 to 1.0 cun. Deep needling towards the spinal canal is contraindicated. Caution: Deep needling is contraindicated to avoid injuring the spinal cord. The classics do not list specific contraindications for this point, but its powerful warming nature suggests caution in cases of yin deficiency with heat signs.

Which meridian is DU4 on?

DU4 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.