Pinyin: Ěr Jiān
On the apex of the ear.
Fold the ear anteriorly, so that the posterior portion of the upper helix covers its anterior part. The point is located at the highest point of the fold.
Vertically 0.1–0.2 cun
Erjian EX-HN-10 is not a major point. Its main function is to clear Heat so as to remove swellings, especially on eyes and throat.
It is also mentioned by some books to treat superficial visual obstruction.