0.5–1 cun vertically.
Caution: Avoid puncturing the rectum.
It regulates the two lower orifices, so as to treat painful urination, urinary difficulty, retention of urine, dark urine, haemorrhoids, difficult defecation, diarrhoea and prolapse of rectum.
It is able to treat haemorrhoids by removing Damp-Heat from the anus. It is also widely used to cure rectum prolapse.
The Governing Vessel has a substantial influence over the Mind (Shen), as it passes the Kidney Essence, in the form of Marrow, to the Brain. As the starting point of the Vessel, Changqiang DU-1 can be stimulated to influence the Brain on the other end of the Vessel. Thus it opens the Mind's orifices and calm the Mind.
Finally, it expels Interior Wind as well, so as to treat opisthotonos, tetany, epilepsy or tremor of head.