Well (wooden) hole. Lingshu‧Genjie: "Jueyin is rooted in Dadun (LR1)."

[Origin]

Dun means thick. Big and thick. It refers to the shape of the end of the big toe, which is similar to the round-covered bronze vessel (ancient bronze vessel for holding millet grains, with the top and bottom forming a spherical shape).

[Location]

Dadun (LR1) acupoint (引自"Meridians and Acupoints")

• Lingshu‧Benshu: "The end of the big finger and between the three hairs of the foot";
• Zhenjiu Jiayi Jing for "declawing" "The nail is like a leek leaf and three hairs";
• Extracts from the Acupuncture Sutra: "At the lateral end of the big toe"; that is, the 1 minute depression behind the lateral corner of the nail of the big toe .
• Zhenjiu Jicheng: "The back quarter of the nail root of the big toe, before the joint" is located on the back of the big toe, between the nail root and the toe joint, close to the hair ( Sanmao) place. If moxibustion is used, it can be said from this point on.

[Anatomy]

• Nerve: dorsal digital nerve of deep peroneal nerve.
• Vessels: dorsal digital arteries and veins.

[Manipulation]

Puncture shallowly 0.2 to 0.3 inches or cause bleeding. Warm moxibustion with moxa sticks is commonly used for 5 to 10 minutes or moxibustion with separate cakes for 3 to 5 minutes. Leijing Tuyi: "Pregnant women should not undergo moxibustion before or after delivery."

[Efficacy]

Soothing liver cures hernia, regulates blood and clears the mind.

• Classical: Fainting, hernia, abdominal pain, abdominal distension and fullness, heat in the lower abdomen, urolithic stranguria, bloody urine, difficulty urinating, enuresis, seminal emission, swelling of vulva, cyst contraction, prolapse of uterus, metrorrhagia and metrostaxis, fullness of the lower body, dizziness, insomnia, loss of vision, sudden heart pain, excessive breath, gurgle, constipation, madness, epilepsy, infantile convulsion, spasm, tightness of limbs, Swelling of feet.
• Modern: Dysfunctional Zigong (EX-CA1) hemorrhage, prolapse of uterus, inguinal hernia, scrotal hydrocele, varicocele, testicular inflammation, prolonged labor.

[Recipe]

• cold abdominal colic: Dadun (LR1), Zhaohai (KI6).
• small intestine gas pain: Changqiang (GV1), Dadun (LR1).
• Hernia: Qimen (LR14), Dadun (LR1).
• Seven hernias: Taichong (LR3), Dadun (LR1).
• Five wet pores: Dadun (LR1), sweat pore.
• Urine that is red as blood: Guanyuan (CV4), Dadun (LR1).
• prolonged labor: Dadun (LR1), Zhiyin (BL67).
• Hernia: moxibustion Dadun (LR1), Sanyinjiao (SP6).
• small intestine Qi: Qihai (CV6), Guilai (ST29), Dadun (LR1).