LOCATION
On the back, level with the lower border of the spinous process of the 12th thoracic vertebra, 1.5 cun lateral to the posterior midline.
Features
Back-Shu Point of the Stomach.
Body Inches (cun)
Each person has his/her own personal body inches.
One cun is equal to the width of the Knuckle of the thumb.
Nerves, vascular
The inner and outer skin branches of the posterior branch of the twelfth thoracic nerve, and the medial branch with the posterior branch of the subcostal artery and vein.
Indication
Gestritis，ulcer，gastric dilatation，gastroptosis，gastrospasm，hepatitis，mumps，enteritis，diarrhea；diabetes，insomnia… Main point for all Stomach related issues: food stagnation, abdominal distention, borborygmus, mouth ulcers, vomiting, belching, nausea, etc. Dissolve accumulations/lumps in the abdomen, combine with Pigen (point for lumps, tumors), 3.5 cun lateral to the lower border of L1. Functions: Harmonizes the Stomach and stCVgthens the Spleen
Combinations
Stomach pain，vomit：BL 21 & CV 12.
(Combining Shu/transport and Mu/alarm points)
Gastrospasm，pancreatitis：BL 21 & PC 06 & ST 34.
Stomach cold and bloating，thin：BL 21 & BL 23.
Chronic gestritis：BL 21 & CV 12 & BL 20 & ST 36.
Peptic ulcer：BL 21 ~ BL 20 & CV 12 ~ CV 13.
Diarrhea，diarrhea：BL 21 & ST 37 & SP 06.
穴位
在背部，當第十二胸椎棘突下，旁開1.5寸。
特點
胃之背俞穴。
同身寸
針灸取穴比量法。出自《千金要方》。
是指以患者本人體表的某些部位折定分寸，
作为量取穴位的長度單位。
穴區神經血管
第十二胸神經後支的內、外側皮支，並有肋下動、靜脈後支的內側支。
適應症
胃炎，胃潰瘍，胃擴張，胃下垂，胃痙攣，肝炎，腮腺炎，腸炎，痢疾；糖尿病，失眠等。
穴位配伍療法
胃痛，嘔吐：1.胃俞 2.中脘 (俞募配穴法)
胃痙攣，胰腺炎：1.胃俞 2.內關 3.梁丘
胃中寒脹，食多身羸瘦：1.胃俞 2.腎俞
慢性胃炎：1.胃俞 2.中脘 3.脾俞 4.足三里
消化性潰瘍：1.胃俞透脾俞 2.中脘透上脘
泄瀉，痢疾：1.胃俞 2.上巨虛 3.三陰交