Abstract: By measdring the content of EVan's blue dye in the area of Nehoan Point of rats, whichPeameted through blood vessels dring to neurodeamtitis in the area as a restilt of acute mardial ischdria, thedye conents in hah side areas of Neiguan point were ns edble divergence, on one side ventral and dorsal ro-ots of C6 -T2 spinal coall wer cut and on the other side ones were kept. It suggsted that there was connectivenerv passag between Neteuan point and heart, which may be the morphologic basis of the heart shart reflex.