Vertically 1–1.5 cun
As the Back Transporting point for the Large Intestine, Dachangshu BL-25 is indicated for any diseases related to the Organ.
Most importantly, it regulates the Large Intestine and promotes the bowel movement. It can be used for both diarrhea and constipation. It is often combined with Pishu BL-20 in terms of treating diarrhea.
It also removes Qi Stagnation in the Large Intestine to ease pain, distension and fullness there.
Finally, it strengthens the lower back and legs by removing Obstruction from the Channel.