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| acupoint | Luxi |
| alias | Luxin |
| international code | SJ19 |
bubble_chart Etymology 
On head, between the posterior border of ear root and posterior hairline, at upper one-third point of the arc connecting Yifeng (TE17) and Jiaosun (TE20) along helix. It is approximately level with Ermen (TE21).
"Lu" (顱), head; "xi" (息), breath. The acupoint is close to ear, hence the name. Ancient texts state that "ear is the convergence point of head and breath vessels."
Another suggests that "xi" (息) is a miswriting of "xin" (囟, fontanel) . (see Zhenjiu Daquan), since the point is close to mastoid process of head, hence the name.
bubble_chart Location
- Zhenjiu Jiayi Jing: "On the blue collaterals behind ear";
- Xunjing Kaoxue Bian: "Slightly above the back of ear, about 4-5 fen away from Chimai";
- Zhenjiu Jicheng: "1 cun above Chimai, slightly larger".
- Muscles: temporalis fascia and temporalis muscle.
- Nerve: confluence branch of greater auricular nerve and lesser occipital nerve.
- Vessels: posterior auricular artery and vein.
Insert horizontally or obliquely toward ear, at a depth of 0.3 to 0.5 cun, or use a pricking technique. Moxibustion with stick for 5 to 15 minutes.
Calm fright, open orifices, improve hearing.
- Classical: headache, dizziness, infantile fright epilepsy, spasm and convulsion, vomiting, wheezing, body heat and pain, brain and hypochondriac pain, facial itching, tinnitus, deafness, earache, ear swelling with discharge of pus.
