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

Nomenclature:

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

Location:

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.

Indication:

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

Method:

Puncture obliquely 0.5-0.8cun.

Remarks:

Back-Shu Point of the Stomach.

Precaution:

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