BL21

Weishu(BL21,胃俞) is an acupuncture point in the meridian named Taiyang Bladder Meridian of Foot.

Meaning

Wei, stomach; shu, point.
This point is where the Qi of stomach is infused into the back.

Location

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

Indication

  1. main point forgastric disorders: fullness of the stomach, stomachache, retching with sore water, hiccup, vomiting, prolapes of the stomach.
  2. backache.

Method

Puncture perpendicularly or a bit obliquely in the direction of midline 0.5-0.8cun.

Remarks

Back-Shu Point of the Stomach. Avoid deep insertion.

BL21