BL 25 Acupuncture Point

Bladder 25, or Urinary Bladder 25, Abbreviated as BL 25 or UB 25, Transliterated Dachangshu in Chinese, Large Intestine Transporter in English.

BL 25 Acupuncture Point Location:

On the back, 1.5 cun lateral to the lower border of the spinous process of the 4th lumbar vertebra.

BL 25 Acupuncture Point Indications:

  • Abdominal distention, diarrhea, constipation, bleeding hemorrhoids
  • Lumbar pain
  • Urticaria

BL 25 Acupuncture Point Benefits:

Regulates the large intestines, strengthens the low back, removes obstructions from the meridian.


Back-Shu point of the Large Intestine


BL 25 is very good for either diarrhea or constipation. It is also a very effective local point for low back pain. Back-Shu points are corresponding points on the back where the Qi of the respective Zang-Fu organ is infused. If the Five Zang organs are diseased, abnormal reactions appear on the Back-Shu points. Back-Shu points have a direct therapeutic effect on the diseases of the Five Zang organs.