On the chest, at the lower border of the middle of the clavicle, 4 cun lateral to the anterior median line.
Fullness in the chest, asthma, cough, hiccup, pain in the chest and hypochondrium.
Descends rebellious Qi and frees the chest.
Oblique or subcutaneous insertion .5 - .8 cun. Under the points from ST 11 to ST 18, there are important organs and a main artery. Do not puncture these points deeply.