In the 1st intercostal space, on the mammillary line, 4 cun lateral to the anterior midline.
How to locate
First identify the mammillary line by drawing an imaginary line between the clavicular midpoint and nipple. This line is 4 cun lateral to the anterior midline.
Palpate along this line from the top and locate Kufang ST-14 in the first intercostal space.