0.3–0.5 cun vertically or obliquely with or against the flow of the channel.
Caution: The ulnar nerve is located in this depression.
Like any Sea-He points of the three Hand Yang Channels, Xiaohai SI-8 is able to remove Damp-Heat. Therefore, it can treat various acute swellings such as the neck glands, cheek, gums, parotitis or yellow eyes.
Like many of its neighbor Small Intestine Channel points, it can also open the Channel by removing Obstruction. It is especially effective in treating the Painful Obstruction Syndrome of the elbow and neck.