Weishu (BL21)
Weishu (BL21), “Stomach Shu”, is a point on the Bladder meridian. It is point 21 of the 67 on the channel. Back-Shu of the Stomach: harmonizes the Stomach, descends rebellious Qi and resolves stagnation.
Location
On the back, 1.5 cun lateral to the lower border of the spinous process of the 12th thoracic vertebra (T12).
Functions according to tradition
Back-Shu of the Stomach: harmonizes the Stomach, descends rebellious Qi and resolves stagnation.
Traditional indications
- Epigastric pain
- Nausea
- Vomiting
- Poor appetite
- Slow digestion
Indications described by tradition; they do not amount to proven clinical effectiveness for each one.
What its classification means
Located on the back, on the inner branch of the Bladder channel, at the level of the organ it relates to. Tradition prefers it for chronic disorders and disorders of the zang organs.
Precautions
Deep needling may injure the kidney: needle obliquely.
Points on other channels with similar indications
They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.
- ST19 Burong (Stomach): Epigastric pain, Poor appetite, Vomiting
- ST21 Liangmen (Stomach): Epigastric pain, Nausea, Poor appetite
- CV11 Jianli (Ren Mai (Conception Vessel)): Poor appetite, Vomiting
- CV16 Zhongting (Ren Mai (Conception Vessel)): Poor appetite, Vomiting
- KI18 Shiguan (Kidney): Epigastric pain, Vomiting
- SP3 Taibai (Spleen): Slow digestion, Vomiting
Point profile
- Code
- BL21
- Pinyin name
- Wèi Shù
- Characters
- 胃俞
- Translation
- Stomach Shu
- Meridian
- Bladder
- Element
- Water
- Classification
- Back-Shu
- Topics
- Digestion
Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.
