Stomach MeridianST45

Lidui 厲兌

For reference only · not a substitute for diagnosis or treatment

Short answer

0.1 F-cun back and out from the outer corner of the second toenail.

Jing-well point (Metal)

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

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

Lidui — 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.

Lidui — ③ Under the skin — **③ Under the skin**
Distal phalanx of second finger of foot · Dorsal digital arteries of foot

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

On this page

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

1Where is Lidui?

0.1 F-cun back and out from the outer corner of the second toenail.

On the outer side of the end bone, it is where a line along the nail's outer edge meets a line across the nail's base.

Beneath the point

Distal phalanx of second finger of foot · Dorsal digital arteries of foot

Our 3D measurement · In our 3D model: skin 0.1 finger-cun (2.1 mm) back and outward from the outer root corner of the second toenail (over the outer edge of the end bone).

2How do I find it on my body?

Picture a line along the outer (little-toe side) edge of the second toenail.
Picture a line across the base of the nail, where it emerges from the skin.
Press where the two lines cross.

Check · about 0.1 F-cun diagonally from the nail corner.

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

dorsal digital arteries of foot: The thin arteries running to the toes on the top of the foot.
distal phalanx: The last bone at the tip of a finger or toe. The nail lies on top of it.

3Before you press

⚠ Do not press when

Skip this point if the skin around the toenail is infected or injured.
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 Jing-well (Metal) point of the Stomach channel, where the channel ends — a historical classification, not a claim of effect.
Classical texts place it a leek leaf's width from the corner of the second toenail.

From traditional texts — not a claim of effect.

5Classical text

Donguibogam (Heo Jun, 1613), Acupuncture and Moxibustion, "Lidui"

在足大指次指端外側去爪甲如韭葉足陽明脈之所出爲井 …《銅人》

① On the outer side of the tip of the second toe, a leek leaf's width from the nail. Where the Foot Yangming channel emerges, which makes it the Jing-well point (Tongren).

Source tags as given in the Donguibogam: Tongren = Tongren Shuxue Zhenjiu Tujing (1026).
Garbled glyphs corrected: 崲 to 厲 (the point name) and 堛 to 韭 (leek), checked against Lingshu ch.
2 and the Zhenjiu Jiayi Jing vol.
3.
Lingshu ch.
2 words the side differently from the Donguibogam; our location follows WHO (lateral).
"…" marks the needling depth and moxa count, left out because they are for licensed practitioners.

Original text as written · translation is ours.

?FAQ

Where exactly is Lidui?

0.1 F-cun back and out from the outer corner of the second toenail. On the outer side of the end bone, it is where a line along the nail's outer edge meets a line across the nail's base.

How do I find Lidui?

Picture a line along the outer (little-toe side) edge of the second toenail. Picture a line across the base of the nail, where it emerges from the skin. Press where the two lines cross. about 0.1 F-cun diagonally from the nail corner.

What should I watch out for?

Skip this point if the skin around the toenail is infected or injured. Avoid broken or swollen skin and press only to a comfortable level. Acupressure is not a substitute for medical care.

← PreviousNeiting · ST44 Next meridian →Yinbai · SP1

Sources

Location: WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), p. 68
Standard comparison: Chinese national standard GB/T 12346-2021 (Nomenclature and location of meridian points)
Korean anatomical terms and locating tips: KMCRIC Standard Acupoint DB (Korea)
Classification source: Lingshu ch. 2 (Ben Shu) for the five transport points; Nanjing ch. 64 for the phases; Zhenjiu Jiayi Jing vol. 3 (Siku Quanshu edition)
Traditional use: Hyeoljari Seodang (Bookdramang, 2015; Korean), ch. 3 "Lidui" and appendix (Yixue Rumen indications)
Classical text: Donguibogam, Acupuncture and Moxibustion, "Lidui" — Wikisource public edition (garbled glyphs 崲 corrected to 厲 and 堛 to 韭)
Indications: Yixue Rumen vol. 1 (Wikisource)

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.