LOCATION
On the midpoint of the transverse crease of the wrist, between the tendons of the palmaris longus and flexor carpi radialis.
Features
Shu/Stream Point. Yuan/Source Point. Ghost 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 palmar branch of the median nerve, the trunk of the median nerve, and the palmar arterial and venous network of the wrist.
Indication
Myocarditis，heart and outside meningitis，tachycardia；neurasthenia，insomnia，epilepsy，schizophCVia，intercostal nerve pain；gestritis，gastrorrhagia；wrist and soft tissue disorders，calcaneus pain；pharyngitis，axillary lymphadenitis，scabies. Cooling heat that is effecting the Heart of a deficient or excess nature. Clears Ying and Blood heat, fever deep in the body that is drying up fluids. Carpal Tunnel Syndrome, combine with PC 5, PC 6 & SP 9. Tong CV/Tam Healing System: Emotional issues, w/HT 7 for sweat issues (too much or too little), hot flashes.
Combinations
Short breath：LU 05 & PC 07.
Throat paralysisdry throat：LI 06 & PC 07.
Wrist drop：PC 07 & HT 07 & LU 07.
Heartache：CV 13 & PC 07.
Palpitations caused by stagnation of the heart-blood：PC 07 & BL 15 & BL 17.
Dark urine：CV 04 & PC 07.
Mania caused by phlegm accumulation：PC 07 & ST 40 & LR 03.
穴位
在腕掌橫紋的中點處，當掌長肌腱與橈側腕屈肌腱之間。
特點
輸（土）、原穴。在腕掌橫紋的中點處，當掌長肌腱與橈側腕屈肌腱之間。
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
正中神經掌支，正中神經本幹，腕掌側動、靜脈網。
適應症
心肌炎，心內外膜炎，心動過速；神經衰弱，失眠，癲癇，精神分裂症，肋間神經痛；胃炎，胃出血；腕關節及周圍軟組織疾患，足跟痛；咽炎，腋淋巴腺炎，疥癬等。
穴位配伍療法
短氣：1.尺澤 2.大陵
口氣：1.人中 2.大陵
喉痹嗌乾：1.偏歷 2.大陵
腕下垂：1.大陵 2.神門 3.列缺
心痛：1.上脘 2.大陵
心血瘀阻之心悸：1.大陵 2.心俞 3.膈俞
小便赤如血：1.關元 2.大陵
氣鬱痰結型之癲狂：1.大陵 2.豐隆 3.太衝