Weishu BL21 :Nomenclature, Location, Function, Indication, Method

Weishu is the place where the Qi of the stomach infuses into the back.


Wei: stomach Shu:point
Weishu is the place where the Qi of the stomach infuses into the back.

Point: BL21
Chinese Name: 胃俞
Name: Weishu
English Name/Meaning: Stomach Transporter
Pinyin: wèi shū
Han Geul 한글: wi yu 위유
Romaji: i yu
Vietnamese: Vị du


1.5cun lateral to the lower border of the spinous process of the 12th thoracic vertebra.

Functions of weishu:

  • Regulates stomach qi.
  • Transforms damp.
  • Eliminates food stagnation.


Main point for gastric disorders like epigastric pain, vomiting, abdominal distension, borborygmus.
Chest and hypochondriac pain.


Puncture obliquely 0.5-0.8cun.


Back-Shu Point of the Stomach.


Deep perpendicular or needling in a wrong direction carries a substantial risk of causing a pneumothorax.

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.