Gallbladder MeridianGB37

Guangming 光明

For reference only · not a substitute for diagnosis or treatment

Short answer

Outer (fibular) side of the lower leg, 5 B-cun above the peak of the outer ankle bone, just in front of the fibula.

Luo-connecting point

See it in 3DRotate the body and peel back the skin to see the bones and muscles beneath.
Open the 3D Acupoint Map →

🖼See it in pictures

Guangming — ① Where on the body? — **① Where on the body?**

Guangming — Textbook view — skin on the left, muscle and bone underneath on the right — **Textbook view — skin on the left, muscle and bone underneath on the right**
Location and structures come from our 3D model; only the drawing style was refined with AI. Labels are added by us.

Guangming — ③ Under the skin — **③ Under the skin**
Fibula · Extensor digitorum longus · Fibularis brevis muscle · Extensor hallucis longus

Rendered straight from the 3D model at the computed location. The glowing ring marks Guangming.

On this page

Where is Guangming?
How do I find it on my body?
Before you press
How has it been used traditionally?
FAQ

1Where is Guangming?

Outer (fibular) side of the lower leg, 5 B-cun above the peak of the outer ankle bone, just in front of the fibula.

Beneath the point

Fibula · Extensor digitorum longus · Fibularis brevis muscle · Extensor hallucis longus

Our 3D measurement · In our 3D model: skin just in front of the fibula, 5 cun above the prominence of the lateral malleolus (1 cun on the lateral leg = 23.04 mm).

2How do I find it on my body?

Outer-leg scale: outer end of the knee crease to the outer ankle peak = 16 B-cun.
Go up 5 B-cun from the ankle peak.
At that height, press just in front of the fibula's front edge.

What is a “cun”?

A cun is a body-scaled unit of length. The precise way is to divide a bone length into equal parts (proportional bone cun); finger widths are a quick estimate.

📖 Words explained

extensor digitorum longus: A muscle running from the outer front of the shin across the top of the foot to the 2nd–5th toes. Lift your toes and four tendons fan out on the top of the foot.

3Before you press

⚠ Do not press when

Avoid broken or swollen skin and press only to a comfortable level.
Acupressure is not a substitute for medical care.

4How has it been used traditionally?

Classified as the Luo-connecting point of the Gallbladder meridian; the Zhenjiu Jiayi Jing says a branch leaves here for the Liver meridian — a historical classification, not a claim of effect.
The name means 'bright light'.

From traditional texts — not a claim of effect.

?FAQ

Where exactly is Guangming?

Outer (fibular) side of the lower leg, 5 B-cun above the peak of the outer ankle bone, just in front of the fibula.

How do I find Guangming?

Outer-leg scale: outer end of the knee crease to the outer ankle peak = 16 B-cun. Go up 5 B-cun from the ankle peak. At that height, press just in front of the fibula's front edge.

What should I watch out for?

Avoid broken or swollen skin and press only to a comfortable level. Acupressure is not a substitute for medical care.

← PreviousWaiqiu · GB36 Next →Yangfu · GB38

Sources

Location: WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), p. 190
Standard comparison: Chinese national standard GB/T 12346-2021 (Nomenclature and location of meridian points)
Korean anatomical terms and point names: KMCRIC Standard Acupoint DB (Korea)
Classification source: Zhenjiu Jiayi Jing (Huangfu Mi), vol. 3
Traditional use cross-check: AcuAtlas dataset (CC BY 4.0)

Positions computed from the WHO standard locations (2008) on Z-Anatomy (CC BY-SA 4.0) · BodyParts3D © DBCLS. For reference only — not a substitute for diagnosis or treatment. See a clinician if you are unwell.