Rheumatic pain, pain in the waist and legs, and other diseases.

In the back area, on the posterior midline, in the depression below the spinous process of the 11th thoracic vertebra.

Sit upright or lie prone. From the intersection of the line connecting the lower angles of the scapulae with the posterior midline (i.e., the 7th thoracic vertebra), move vertically downward for four vertebrae (i.e., the 11th thoracic vertebra), and the depression at the lower edge of its spinous process is the location of this acupoint.