On the back, on the posterior midline, in the depression below the spinous process of the fifth thoracic vertebra (T5). At the same level as BL-15 (Heart Shu).
🧭 How to find it (practical)
In prone decubitus or seated with the back flexed, locate the point in the depression between the spinous processes of the fifth and sixth thoracic vertebrae.
Shen (神), the mind of the Xin (Heart); Dao (道), path. The Xin (Heart) houses the mind, and the point is located lateral to the Xin Shu (BL-15), like a path of the mind.