0.5–1 cun vertically or obliquely in a medial direction.
Similar to Quyuan SI-13 and Jianwaishu SI-14, Jianzhongshu SI-15's main function is to open the Channel by removing the Obstruction. Therefore, it is able to treat symptoms like pain in the shoulder and scapula. However, it is less frequently used comparing with the two neighboring points.
On top of that, it can also promotes the descending of Rebellious Lung Qi, so as to treat coughing and coughing of Blood.