Well (wooden) hole.

[Origin]

Chong, rush to important points, important channels. The hole is at the end of the middle finger, which is the hand reverting yin pericardium meridian (PC) well point, which is opposite to the hand lesser yin heart meridian (HT) well point Shaochong (HT9) (little finger end).

[Location]

Zhongchong (PC9) acupoint
(quoted from "Meridians and Acupoints")

• Lingshu‧Benshu: "The ends of the fingers in the hand",
• Zhenjiu Jiayi Jing added: "Remove the claws like a leek leaf. "In the middle";
• Taiping Shenghui Fang: "One minute after the nail is hit";
• Zhenjiu Daquan: "The inner end of the middle finger";
• Throat Secret Book: "At the inner nail corner of the middle finger"; according to the records of Zhenjiu Jiayi Jing and other books, it is located on the radial side of the middle finger, behind the radial corner of the nail profile A little depression.

[Anatomy]

• Muscle: bundle of fibers.
• Nerve: refers to the palmar proper nerve branch (median nerve).
• Blood vessels: refers to the arterial and venous network formed by the inherent arteries and veins on the palm side.

[Manipulation]

A shallow puncture marks 1 point or a puncture bleeds. Moxa stick warm moxibustion for 10 to 15 minutes.

[Efficacy]

Clears away heat, resuscitation, and sharpens the mouthpiece.

• Classical: Fainting, Rebing, upset, heart pain, apoplexy unconsciousness, strong and swollen tongue, summerheat stroke, night crying in children, sore throat, headache, body heat Like fire.

[Recipe]

• Swelling and pain under the tongue: Lianquan (CV23), Zhongchong (PC9).
• Hot body and headache: Mingmen (GV4), Zhongchong (PC9).