Intersecting point: Suwen-Qifu Lun Wang Bing's note: Intersecting point of foot taiyang and shaoyang.

bubble_chart Etymology

Originally derived from the name of a celestial phenomenon. "Tian" (天), upper part; "chong" (衝), thoroughfare, here indicating the pathway of qi and blood in head. The point is located on the upper part of head, hence the name.

bubble_chart Location

Tianchong (GB9) acupoint
(adapted from "Meridians and Acupoints")

On head, directly above the posterior border of ear root, 2 cun within hairline, 0.5 cun posterior to Shuaigu (GB8).

• Zhenjiu Jiayi Jing: "Slightly anterior to ear, 0.3 cun above";
• Tongren Shuxue Zhenjiu Tujings : "2 cun within hairline behind ear";
• Xunjing Kaoxue Bian : "0.3 cun posterior to ear, 2 cun within hairline";
• Yixue Rumen: "1.5 cun posterior to Chengling (GB18)", meaning it is located beside Chengling ( GB18).

bubble_chart Anatomy

• Nerve: branches of greater auricular nerve.
• Vessels: posterior auricular artery and vein.

bubble_chart Manipulation

Subcutaneous insertion 0.5 to 1.5 cun. Moxibustion is not applied.

bubble_chart Efficacy

Dispel wind, calm fright.

• Classical: headache, depressive psychosis, epilepsy, susceptible to panic and fear, swollen gums, tinnitus, dampness and itching in ear.
• Modern: hereditary ataxia, trembling paralysis, hysteria.

bubble_chart Combinations

• Opisthotonos and weeping: Tianchong (GB9), Daheng (SP15) headache, epilepsy: Tianchong (GB9), Fengchi (GB20), Baihui (GV20), Jiaosun (TE20), Touwei (ST8), Hegu (LI4 ).