Dadun (LV 1)

Dadun is the Jing (well) point of the Liver, corresponding to the Wood element.

Location of Dadun

Dadun is located 0.1 cun from the outer nail corner of the big toe, behind the nail on the tuft of hair.

Therapeutic functions and clinical indications of Dadun

Dadun is used to regulate Liver energy , disperse and drain the Liver, and purge Liver Heat.
It is used for bleeding and can revive the Mind or open the orifices.

In gynecology, it is a major point used when strong Liver Heat causes bleeding.
Yinbai is also used to tonify the Spleen when the bleeding is pale and scanty, due to Spleen deficiency.

In excess Liver Heat syndromes turning into Wind (fainting, for example), Heat can be purged to calm the Liver and calm the Wind.