Dachangshu BL25 :Nomenclature, Location, Function, Indication, Method

Dachangshu is the place where the Qi of the large intestine infuses into the back.


Dachang: Large intestine    Shu:point
Dachangshu is the place where the Qi of the large intestine infuses into the back.

Point: BL25
Chinese Name: 大肠俞
Name: Dachangshu
English Name/Meaning: Large Intestine Transporter
Pinyin: dà cháng shū
Han Geul 한글: dae jang yu 대장유
Romaji: dai chō yu
Vietnamese:Đại trường du


1.5cun lateral to the lower border of the spinous process of the 4th lumbar vertebra.

Functions of Dachangshu:

  • Regulates large and small intestine.
  • Benefits the lower back and knees.


  • Main point for large intestinal diseases: abdominal pain, diarrhea, dysentery, constipation, hemorrhoids.
  • Also main point to treat lumbar region and lower limbs.


Puncture perpendicularly 0.8-1.2cun


Back-Shu Point of the Large Intestine

Dr. Ishwar Gyawali

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.