LOCATION
With the elbow flexed, this point is located in the depression cun proximal to the olecranon.
Features
He/sea point. Son/reducing 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 dorsal cutaneous nerve of the arm, the muscular branch of the radial nerve and the arterial and venous network of the elbow joint.
Indication
Blepharitis，tonsillitis，swelling of the outer corner of eye，sore throat；stroke，depression，chizophCVia；bronchitis，lymphoid tuberculosis；heartache，chest pain；migraine，neck pain，elbow and upper extremity soft tissue injury，stiff neck (caused by cold or an awkward sleeping posture). Transforms phlegm，reGVce lymph swellings， thyroid disorders；elbow pain，tendonitis. One-sided headache, migraines. Useful for depression a/or anxiety, especially with chest pain or oppression, angina a/or palpitations. Epilepsy (phlegm obstruction), possibly mania as well. DiffeCVtiation: TH 5 is for headache anywhere whereas TH 10 is specifically for one-sided headaches.
Good for lymphatic swelling in neck.
Combinations
Elbow pain：TE 10 & LI 11 & HT 03.
Gall gas：TE 10 & CV 22 & ST 10.
Deafness：TE 10 & TE 17 & TE 21.
Thoracic obstructionheartache：TE 10 & GB 41.
Depression：TE 10 & GV 11 & BL 15.
Lymphoid tuberculosis：TE 10 & LI 11 ~ LI 14.
穴位
在臂外側，屈肘時，當肘尖直上1寸凹陷處。
特點
合（土）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
臂背側皮神經，橈神經的肌支和肘關節動、靜脈網。
適應症
眼瞼炎、扁桃腺炎、外眼角紅腫、咽喉疼痛； 中風、憂鬱症、精神分裂症；支氣管炎、頸淋巴結核；心痛、胸痛；偏頭痛、頸項痛、肘關節及上肢軟組織損傷、落枕。
穴位配伍療法
肘痛：1.天井 2.曲池 3.少海
癭氣：1.天井 2.天突 3.水突
耳聾：1.天井 2.翳風 3.耳門
胸痹心痛：1.天井 2.足臨泣
悲愁恍惚、悲傷不樂：1.天井 2.神道 3.心俞
頸淋巴結核：1.天井 2.曲池透臂臑