LOCATION
In the center of the tip of the middle finger.
Features
Jing/Well Point Mother Point.
Body Inches (cun)
Each person has his/her own personal body inches.
One cun is equal to the width of the Knuckle of the thumb.
Nerves, vascular
The medial nerve is a network of arteries and veins formed by the proper palmar nerves and the proper palmar arteries and veins.
Indication
Stroke，coma，feverupset，fever，stiff tongue，syncope，headache，heartache，heat stroke，infantile convulsion. Jing Well Point for clearing heat in the Heart. Stiff tongue, speech disorders, especially those arising after a stroke. Restoring consciousness.
Combinations
Children convulsions ， heat stroke ， stroke ， Coma：PC 09 & PC 06 & GV 26.
Tongue swelling：PC 09 & EX-HN12 & EX-HN13 & CV 23.
Deafness：PC 09 & LI 01.
Sublingual swelling and pain：CV 23 & PC 09.
Fever，headache：GV 04 & PC 09.
穴位
在手中指末節尖端中央。
特點
井（木）穴。
同身寸
針灸取穴比量法。出自《千金要方》。
是指以患者本人體表的某些部位折定分寸，
作为量取穴位的長度單位。
穴區神經血管
正中神經的指掌固有神經和指掌側固有動、靜脈所形成的動、靜脈網。
適應症
中風昏迷，熱病心煩，身熱如火，舌強不語，暈厥，頭痛，心痛，中暑，驚風等。
穴位配伍療法
小兒驚風、中暑、中風昏迷等：1.中衝 2.內關 3.水溝
舌強不語、舌本腫痛：1.中衝 2.金津 3.玉液 4.廉泉
耳聾：1.中衝 2.商陽
舌下腫疼：1.廉泉 2.中衝
身熱如火、頭痛如破：1.命門 2.中衝