Intersecting point: Zhenjiu Jiayi Jing "Intersecting point of hand and foot shaoyang and hand yangming"; Tongren Shuxue Zhenjiu Tujing does not include "hand yangming".

bubble_chart Etymology

"Jiao" (角), the upper angle of ear. "sun" (孫, also written as 遜), to retreat or to conceal. The point is hidden within hairline and covered by the upper angle of ear, hence the name.

bubble_chart Location

Jiaosun (TE20) acupoint
(adapted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "In the middle of ear, where there is an opening";
• Suwen‧Qifu Lun Wang Bing's note: "On the upper surface of ear, below hairline";
• Leijing Tuyi Zhang Jie-bin's note: "On the upper angle behind ear".

bubble_chart Anatomy

• Muscle: superior auricular muscle.
• Nerve: branches of auriculotemporal nerve.
• Vessels: anterior branches of superficial temporal artery and vein.

bubble_chart Manipulation

Insert backward or downward along skin, at a depth of 0.3 to 0.5 cun, or use a pricking technique. Moxibustion with moxa stick for 5 to 15 minutes, or burning-rush moxibustion.

bubble_chart Efficacy

Clear and benefit head and eyes, improve hearing.

• Classical: headache, vertigo, eye nebula, redness and swelling of eyes, gum swelling and pain, tinnitus, deafness, auricle swelling and pain.
• Modern: mumps, conjunctivitis.

bubble_chart Combinations

• Blurred vision and eye nebula: Jiaosun (TE20), Zusanli (ST36).
• Inability to chew due to tooth issues: Jiaosun (TE20), Jiache (ST6).
• Optic neuritis, retinal hemorrhage: Jiaosun (TE20), Fengchi (GB20), Taiyang (EX-HN5), Ganshu (BL18), Geshu (BL17).