Chest pain, cough, asthma, vomiting, loss of appetite, mastitis.

In the chest area, at the 5th intercostal space, 2 cun lateral to the anterior midline. (This acupoint is a pair, one on each side)

Supine position. Feel downward from the nipple to the 1st intercostal space (which is the 5th intercostal space), within this intercostal space, measure 2 transverse fingers (thumb) laterally from the anterior midline, and the spot where there is a sour and swollen sensation upon pressure is the acupoint.