BL 21 Acupuncture Point

Bladder 21, or Urinary Bladder 21, Abbreviated as BL 21 or UB 21, Transliterated Weishu in Chinese, Stomach Transporter in English.

BL 21 Acupuncture Point Location:

On the back, 1.5 cun lateral to the lower border of the spinous process of the 12th thoracic vertebra.

BL 21 Acupuncture Point Indications:

  • Epigastric distention, vomiting
  • Abdominal distention, borborygmus

BL 21 Acupuncture Point Benefits:

Regulates and harmonizes Stomach Qi, resolves Dampness, alleviates food stagnation.


Back-Shu point of the Stomach


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.