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Alternate names: 指井 zhǐ jǐng, Digit Well

Channel: BL, foot greater yáng (tài yáng) bladder channel

Modern location: An acupoint located a little more than 1 fēn below the base of the nail on the lateral aspect of the little toe.

Classical location: On the outer side of the small toe, the width of a garlic chive leaf away from the corner of the nail. From The Great Compendium of Acupuncture and Moxibustion (针灸大成 zhēn jiǔ dà chéng)

Local anatomy: The network formed by the dorsal digital artery and plantar digital proprial artery. The plantar digital proprial nerve and the lateral dorsal cutaneous nerve of the foot.

Action: Courses wind in the vertex; rectifies qì and quickens the blood; clears the brain and brightens the eyes.

Modern indications: Headache; eye pain; nasal congestion; nosebleed; malposition of the fetus; difficult delivery.

Classical indications: Nosebleed with clear snivel; eye screens; seminal emission; inhibited urination; generalized itching; pain and weakness of the limbs; retention of the placenta; paralysis; heart vexation.

Needle stimulus: Needling: 0.1 cùn upward oblique insertion. Moxa: 3‒5 cones; pole 3‒5 min.

Point groups: Well (jǐng) (metal) point.

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