Location of Zhishi
Zhishi is located 3 cun from the posterior midline, below the horizontal line between the L2 and L3 vertebrae.
It lies right next to Shenshu, and they are very often worked together.

Therapeutic functions of Zhishi
- Zhishi helps tonify the Kidneys, strengthen the Essence and nourish Kidney Yin;
- It helps with emotional problems related to fear.