Cough, asthma, chest pain, restlessness, vomiting, loss of appetite, intercostal neuralgia, etc.

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

Supine position. Move vertically upward from the nipple to the 2nd 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.