The point is in front of the ear, like a door.

[Location]

Ermen (TE21) acupoints
(quoted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "If there is flesh in front of the ear, it means the ear is missing."

[Anatomy]

• Nerve: Auriculotemporal nerve, facial neuritis.
• Vessels: superficial temporal artery, anterior auricular branch of vein.

[Manipulation]

Insert the needle when opening the mouth, insert 0.8 to 1 inch slightly downward and rearward, avoiding the preauricular artery, and perform warm moxibustion with a moxa stick for 5 to 15 minutes.

[Efficacy]

Smart ears, sharp teeth.

• Classical: tinnitus, deafness, vertigo, toothache, muteness of mouth, strong lips, head and jaw pain, lumpago.
• Modern: Otitis media, temporomandibular joint dysfunction, Meniere's disease.

[Recipe]

• tinnitus, deafness: Ermen (TE21), Yifeng (TE17), Naokong (GB19).
• Toothache: Ermen (TE21), Sizhukong (TE23).