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Urinary Bladder Meridian (Toot Tai Yang) Points

UB-25 (Da Chang Shu)


Chinese Name:

Dachangshu 大肠俞

English translation:

Large Intestine Shu


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


Back-Shu point of the Large Intestine


  • Borborygmus, diarrhea/dysentry, abdominal pain, constipation, low back pain.
  • Abdominal distension, sciatica, back stiffness, lin syndrome, nephritis, appendicitis, intestinal haemorrhage, wei and bi syndromes of the lower limbs.
  • Difficult ingestion, poor digestion, incontinence of urine, beriberi.


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


UB 25 is very good for either diarrhea or constipation. It is also 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. For more complete information on Back-Shu and Front-Mu points, click here.


Perpendicular insertion .5 - 1.0 cun.

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