Crossing point of the 3 Yin meridians.
Location of Sanyinjiao
Sanyinjiao is located 3 cun above the tip of the medial malleolus, behind the medial border of the tibia, in a depression.

Book - Meridians and acupuncture points
Illustrated book: 183 points
Therapeutic functions and clinical indications
A very important point, like Zusanli
- It nourishes the Yin of the Liver, Kidney and Spleen, the 3 Yin of the foot;
- It acts on Blood, on all Blood problems in the body such as deficiency, Heat or circulation;
- Also Dampness in the Lower Burner; it tonifies the Spleen.