Acupoints & Meridians

Shenmai (申脉 BL62): Calming the Mind Through the Yang Qiao Vessel

Discover Shenmai (BL62), a key Bladder Meridian acupoint and master point of the Yang Qiao Vessel. Learn how it treats insomnia, headaches, epilepsy, and mental agitation by regulating Yang energy and calming the Shen.

Shenmai: Extending the Pulse of Yang

Shenmai (申脉, Shēn Mài), Bladder 62 (BL62), is one of the most clinically important points on the Bladder meridian and serves as the master point of the Yang Qiao Vessel (阳跷脉), one of the eight extraordinary vessels. Its name translates to “Extending Vessel” or “Stretching Pulse,” reflecting its connection to the Yang Qiao’s role in regulating movement, alertness, and the flow of Yang energy throughout the body.

The Yang Qiao Vessel (Yang Heel Vessel) runs from the foot upward along the lateral side of the body, connecting with the Bladder, Gallbladder, and San Jiao meridians before reaching the head. It governs Yang on the exterior of the body, controls eye opening (wakefulness), and regulates muscular tension on the body’s lateral aspects. As its master point, Shenmai directly regulates this entire pathway.

Location and Needling

DetailDescription
LocationIn the depression directly below the external malleolus (outer ankle bone), on the lateral side of the foot
Depth0.2–0.3 cun (shallow insertion)
AnglePerpendicular, pointing slightly downward
TechniqueMild reducing method for excess patterns; even method for regulation

Key Functions

1. Calms the Shen and Treats Insomnia (安神定志)

Shenmai is one of the most effective acupoints for sleep disorders related to Yang excess:

  • Insomnia with inability to fall asleep — when Yang energy fails to enter Yin at night, the mind stays active and restless
  • Vivid, disturbing dreams — the Shen is disturbed by unregulated Yang
  • Night terrors in children — especially with fright and crying
  • Restless sleep with frequent waking — Yang Qiao disharmony preventing deep rest

In TCM theory, the Yang Qiao and Yin Qiao vessels govern the opening and closing of the eyes. When the Yang Qiao is excessive, the eyes cannot close properly — resulting in insomnia. Shenmai regulates this dynamic.

2. Dispels Wind and Stops Headaches (祛风止痛)

Shenmai treats headaches that are wind-related or located on the sides and back of the head:

  • Occipital headache radiating from the back of the head
  • Temporal headache — one-sided, throbbing pain
  • Migraine — especially with visual disturbances and sensitivity
  • Headache worsened by wind exposure

3. Treats Epilepsy and Seizures (定痫)

Historically, Shenmai has been a key point in treating seizure disorders:

  • Epileptic seizures — as part of a comprehensive treatment protocol
  • Convulsions from high fever — in pediatric cases
  • Tetany and muscle spasms — related to wind stirring internally

4. Relaxes Muscles and Relieves Pain (舒筋活络)

Through its connection to the Yang Qiao Vessel, Shenmai addresses muscular tension on the lateral body:

  • Stiff neck — difficulty turning the head
  • Lateral leg and hip pain — IT band tension, lateral knee pain
  • Facial paralysis — Bell’s palsy with involvement of the lateral face
  • Generalized body aches — when muscles feel tight and constrained

The Famous Pair: Shenmai + Zhaohai

Shenmai (BL62) and Zhaohai (KI6) form one of the most celebrated acupoint pairs in TCM. Together, they regulate the Yang Qiao and Yin Qiao vessels:

PointVesselFunction
Shenmai (BL62)Yang Qiao (Master)Regulates Yang, dispels excess, opens the exterior
Zhaohai (KI6)Yin Qiao (Master)Nourishes Yin, calms interior, anchors the Shen

When combined:

  • For insomnia: Zhaohai nourishes Yin to anchor Yang, Shenmai regulates the Yang Qiao to allow the eyes to close
  • For epilepsy: The pair harmonizes the Qiao vessels to stabilize wind
  • For throat and eye disorders: Together they treat conditions along both vessels’ pathways

Acupressure Application

For self-care, Shenmai can be massaged to help with sleep and headaches:

  1. Sit comfortably and cross one ankle over the opposite knee
  2. Locate the depression directly below the outer ankle bone
  3. Apply gentle, steady pressure with your thumb
  4. Hold for 1–2 minutes while breathing slowly
  5. Repeat on the other side
  6. Best performed before bed for insomnia relief

Clinical Indications Summary

  • Insomnia and sleep disorders
  • Headache and migraine
  • Epilepsy and seizures
  • Mental agitation and mania
  • Stiff neck and back pain
  • Facial paralysis
  • Red, painful eyes
  • Muscular spasms and cramps

FAQ

Who is this article for?

Readers interested in TCM acupoints for sleep disorders, headaches, and mental restlessness — and how extraordinary vessels are used in practice.

Can this article replace professional medical advice?

No. This content is educational only and should not replace diagnosis or treatment from a qualified healthcare professional.

Disclaimer

This content is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional for diagnosis and treatment.

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