LOCATION
4 cun lateral to the center of the umbilicus.
Features
Crossing point of Yinwei vessel. Important point for regulating the Large Intestine Qi.
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 eleventh and second intercostal nerves and arteries and veins.
Indication
Enteritis，habitual constipation，lingering dysentery，enteroparalysis，intestinal parasites；limbs spasm，epidemic cold。Regulate the Qi of the Intestines – constipation, diarrhea (ST 25 better for diarrhea), abdominal pain and distention.
Combinations
Abdominal pain：SP 15 & ST 36 & ST 25.
Abdominal pain，frequent infantile diarrhea：SP 15 & ST 25 & CV 12 & CV 04 & ST 36 & SP 06.
Gastrointestinal ascariasis：SP 15 & EX-UE10 & ST 36.
穴位
在腹中部，距臍中4寸。
特點
交會穴，通陰維脈。
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
第十一、二肋間神經及動、靜脈。
適應症
腸炎，習慣性便秘，久痢，腸麻痺，腸寄生蟲；四肢痙攣，流行性感冒。
穴位配伍療法
腹痛：1.大橫 2.足三裡 3.天樞
腹痛，洞泄：1.大橫 2.天樞 3.中脘 4.關元 5.足三里 6.三陰交
腸道蛔蟲症：1.大橫 2.四縫 3.足三里