Medicina China HoyTraditional Chinese Medicine
Acupuncture point · Bladder

Pangguangshu (BL28)

Pangguangshu (BL28), “Bladder Shu”, is a point on the Bladder meridian. It is point 28 of the 67 on the channel. Back-Shu of the Bladder: regulates the bladder, drains Damp-Heat and eases lumbosacral pain.

膀胱俞 · Páng Guāng ShūUpdated on

Location

On the sacrum, level with the second posterior sacral foramen, 1.5 cun lateral to the median sacral crest.

Functions according to tradition

Back-Shu of the Bladder: regulates the bladder, drains Damp-Heat and eases lumbosacral pain.

Traditional indications

  • Urinary retention
  • Enuresis
  • Cystitis
  • Lumbosacral pain
  • Diarrhoea

Indications described by tradition; they do not amount to proven clinical effectiveness for each one.

What its classification means

Back-Shu point (背俞, bèi shū)

Located on the back, on the inner branch of the Bladder channel, at the level of the organ it relates to. Tradition prefers it for chronic disorders and disorders of the zang organs.

Precautions

No specific precautions are described beyond the general ones for acupuncture. Needling must always be performed by a trained professional.

Points on other channels with similar indications

They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.

  • CV2 Qugu (Ren Mai (Conception Vessel)): Enuresis, Urinary retention
  • CV5 Shimen (Ren Mai (Conception Vessel)): Diarrhoea, Urinary retention
  • CV9 Shuifen (Ren Mai (Conception Vessel)): Diarrhoea, Urinary retention
  • KI11 Henggu (Kidney): Enuresis, Urinary retention
  • LV9 Yinbao (Liver): Enuresis, Lumbosacral pain
  • CV3 Zhongji (Ren Mai (Conception Vessel)): Cystitis, Enuresis

Point profile

Code
BL28
Pinyin name
Páng Guāng Shū
Characters
膀胱俞
Translation
Bladder Shu
Meridian
Bladder
Element
Water
Classification
Back-Shu
Topics
Urination, Sacrum, Lower back

Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.