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Changqiang(GV1,长强) is an acupuncture point in the meridian named Governor Vessel. It is the Luo-Connecting, crossing point of GV,CV,GB and KI meridians.( GV meridian: Governor Vessel; CV meridian: Conception Vessel; GB meridian: Shaoyang Gall Bladder Meridian of Foot; KI meridian: Shaoyin Kidney Meridian of Foot)


On the posterior midline, below the tip of the coccyx, in the kneeling or knee-chest position, the middle point between coccyx and anus.


  • ①Diarrhea, dysentery, hematochezia, constipation, hemorrhoid, proctoptosis;
  • ②epilepsy and mania ;
  • ③pain in the lower back.


Puncture perpendicularly 0.5-0.1 inch. Moxibustion is applicable.