“Zhi” means the will. “Shi” is a place for housing something. The kidney houses the will. The point is at the level of Shenshu (BL23), the kidney point, and it is indicated in kidney diseases. Hence the name Zhishi (Will Residence).
Three cun lateral to the lower border of the spinous process of the 2nd lumbar vertebra.
Seminal emission and impotence (combine with Shenshu (BL23) and Sanyinjiao (SP6)).
Tonify the kidney Yang.
Strengthen the kidney.
Remove damp-heat from the lower jiao.