Bladder Meridian

Sanjiaoshu BL22: Nomenclature, Location, Functions, Indications

Sanjiaoshu is the place where the Qi of the Sanjiao is infused into the back.


Sanjiao: three regions of the body cavity        Shu: point
Sanjiaoshu is the place where the Qi of the Sanjiao is infused into the back.
Point: BL22
Chinese Name: 三焦俞
Name: Sanjiaoshu
English Name/Meaning: Sanjiao Transporter
Pinyin: sān jiāo shū
Han Geul 한글: sam cho yu 삼초유
Romaji: san shō yu
Vietnamese:Tam tiêu du


1.5 cun lateral to Zuanshu (GV5), at the level of the lower border of the spinous process of the first lumbar vertebra.


  • Regulate qi and eliminate dampness.
  • Opens the water way.
  • Regulates shaoyang meridian (Triple energizer and gall bladder).


  • Borborygmus, abdominal distension, indigestion, vomiting, diarrhoea, dysentry.
  • Edema, Difficulty in urination, cloudy urine, blood in urine, pain and stiffness of the lower back.
  • Altered feeling of warm and cold.


Oblique or perpendicular-oblique insertion towards the spine, 1 to 1.5 cun.


Back shu point of triple energizer.


Deep perpendicular needling carries a risk of injuring the kidney.


Dr. Ishwar Gyawali is Consultant Acupuncturist and Ayurveda Physician from Kathmandu, Nepal. He had completed BAMS (Bachelor of Ayurveda Medicine and Surgery), a five and half year course on Ayurveda Medicine from Kirtipur Campus affiliated to Tribhuvan University ,Institute Of Medicine, Nepal under scholarship in 2011. He had completed his MD in TCM from Nanjing University Of Chinese Medicine in 2016 under scholarship of Ministry of Education, Nepal. With an experience of Serving for Government of Nepal for 2 years and private practise for more than 5 years, he has sound knowledge in Ayurveda as well as Chinese Medicine. He is a registered Doctor in NAMC (Nepal Ayurveda Medical Council ) both as a physician as well as TCM/Acupuncture Specialist.

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