Sanjiaoshu corresponds to the back Shu point of the Triple Burner (TB), the pathway of Water.
Location of Sanjiaoshu
Sanjiaoshu is located 1.5 cun from the posterior midline, below the horizontal line between the L1 and L2 vertebrae.

Therapeutic functions of Sanjiaoshu
- Sanjiaoshu is used for disturbances of Water circulation in the body : pulmonary edema, water retention (diarrhea), swelling (borborygmi), water stagnation in the Bladder.