0.5–1 cun transversely along the course of the intercostal space.
Only transverse needling is allow for women, so as to avoid puncturing the mamillary tissue.
Caution: Pneumothorax.
Tianchi P-1 is supposed to remove Liver Qi Stagnation, so as to treat pain and distension in the chest and breast. It also subdues Rebellious Qi and resolve Phlegm. Thus it treats symptoms such as coughing of phlegm or rattling sound in the throat.
It also dissipates nodules such as neck scrofula, axilla swelling, breast abscess or low milk supply due to breast lumps.