BL62 Extending Vessel

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

BL62 (Shenmai, “Extending Vessel”) is the Confluent of Yangqiao point of the Bladder Meridian. BL62 is located in the depression directly below the external malleolus. It calms the spirit, dispels wind, and benefits the head and eyes.

Location

BL62 is located in the depression directly below the external malleolus.

Needling

Perpendicular insertion 0.3-0.5 cun.

TCM functions

Calms the spirit, dispels wind, and benefits the head and eyes.

Indications

Headache, dizziness, epilepsy, insomnia, low back pain, pain in the external malleolus.

Confluent of YangqiaoWindow of the Sky

Clinical notes

BL62 is a crucial Confluent point of the Yang Qiao Mai (Yang Motility Vessel) and a Window of the Sky point, making it highly effective for wind-related disorders, both internal and external. It excels at calming the spirit, treating insomnia, epilepsy, and mania, and dispelling wind from the head and face for conditions like headache, dizziness, and eye disorders. It is classically paired with KI6 (Zhaohai) to regulate the sleep-wake cycle and treat insomnia.

On the Bladder channel

BL62 is one of 67 points on the Bladder Meridian. Nearby points:

Frequently asked questions

Where is BL62 located?

BL62 is located in the depression directly below the external malleolus.

What is BL62 used for?

BL62 calms the spirit, dispels wind, and benefits the head and eyes. Common clinical indications include headache, dizziness, epilepsy, insomnia, low back pain, pain in the external malleolus.

How is BL62 needled?

Perpendicular insertion 0.3-0.5 cun.

Which meridian is BL62 on?

BL62 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).

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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.