Chest and rib distension, pulling back pain, cough with breathlessness, inability to turn sides while lying down, cough, insufficient milk secretion, mastitis, etc.

On the lateral side of the chest, at the third intercostal space, 6 cun from the anterior midline. (This acupoint is bilateral, one on each side.)

Lie supine, measure two horizontal fingers (the width of the thumb) laterally from the nipple, then move upward by one intercostal space (i.e., the third intercostal space), and press where there is a sensation of soreness and swelling; this is the location of the acupoint.