BL 52 Acupuncture Point

Bladder 52, or Urinary Bladder 52, Abbreviated as BL 52 or UB 52, Transliterated Zhishi in Chinese, Willpower Room in English.

BL 52 Acupuncture Point Location:

On the lower back, 3.0 cun lateral to the lower border of the spinous process of the 2nd lumbar vertebra.

BL 52 Acupuncture Point Indications:

  • Spermatorrhea, impotence
  • Dysuria, edema
  • Lumbar stiffness and pain

BL 52 Acupuncture Point Benefits:

Tonifies the kidneys, benefits urination, strengthens the low back.


BL 52 is the outer Back-Shu of the Kidney. Its special feature is that it helps treat the psychological/spiritual aspect of the Kidney. It is usually used to strengthen willpower.