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Acupuncture point · Bladder

Sanjiaoshu (BL22)

Sanjiaoshu (BL22), “Triple Energizer Shu”, is a point on the Bladder meridian. It is point 22 of the 67 on the channel. Back-Shu of the Triple Energizer: regulates water, transforms Dampness and strengthens the lower back.

三焦俞 · Sān Jiāo ShūUpdated on

Location

In the lumbar region, level with the lower border of the L1 spinous process, 1.5 cun lateral to the posterior median line.

Functions according to tradition

Back-Shu of the Triple Energizer: regulates water, transforms Dampness and strengthens the lower back.

Traditional indications

  • Oedema
  • Abdominal distension
  • Diarrhoea
  • Lower back pain
  • Difficult urination

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

Needle obliquely towards the spine: the kidney lies beneath at this level.

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.

  • GB25 Jingmen (Gallbladder): Abdominal distension, Diarrhoea, Difficult urination, Lower back pain, Oedema
  • CV9 Shuifen (Ren Mai (Conception Vessel)): Abdominal distension, Diarrhoea, Oedema
  • ST22 Guanmen (Stomach): Abdominal distension, Diarrhoea, Oedema
  • KI13 Qixue (Kidney): Diarrhoea, Difficult urination, Lower back pain
  • CV5 Shimen (Ren Mai (Conception Vessel)): Diarrhoea, Oedema
  • GV5 Xuanshu (Du Mai (Governing Vessel)): Diarrhoea, Lower back pain

Point profile

Code
BL22
Pinyin name
Sān Jiāo Shū
Characters
三焦俞
Translation
Triple Energizer Shu
Meridian
Bladder
Element
Water
Classification
Back-Shu
Topics
Oedema, Digestion, 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.