DU21 Before the Vertex

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

DU21 (Qianding, “Before the Vertex”) is an acupuncture point on the Governing Vessel Meridian. It is located on the head, 1.5 cun anterior to DU20, on the midline, and 3.5 cun posterior to the anterior hairline. It clears the head, calms the spirit.

Location

On the head, 1.5 cun anterior to DU20, on the midline, and 3.5 cun posterior to the anterior hairline.

Needling

Subcutaneous insertion 0.3-0.5 cun. Avoid deep insertion.

TCM functions

Clears the head, calms the spirit.

Indications

Headache, dizziness, vertigo, epilepsy, infantile convulsions.

Clinical notes

DU21 is primarily used for clearing the head and calming the spirit, particularly effective for frontal headaches, dizziness, and vertigo. It helps to alleviate mental fogginess and can be beneficial in cases of anxiety or restlessness where the disturbance manifests in the head. Its location makes it useful for local issues such as nasal congestion or eye pain stemming from upper body heat or wind.

On the Governing Vessel channel

DU21 is one of 28 points on the Governing Vessel Meridian. Nearby points:

Frequently asked questions

Where is DU21 located?

DU21 (Qianding) is located on the head, 1.5 cun anterior to DU20, on the midline, and 3.5 cun posterior to the anterior hairline.

What is DU21 used for?

DU21 clears the head, calms the spirit. Common clinical indications include headache, dizziness, vertigo, epilepsy, infantile convulsions.

How is DU21 needled?

Subcutaneous insertion 0.3-0.5 cun. Avoid deep insertion.

Which meridian is DU21 on?

DU21 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.