Bladder July 8, 2020 0 comments BL 25 – DACHANGSHU Bladder Meridian Acupuncture Point BL 25 – Chinese name: DACHANGSHU Location 1.5 cun lateral to the posterior midline, on the level of the lower border of the spinous process of the 4th lumbar vertebra (L4). Indications Low back pain. Alterations of the large intestine.