Changes of blood flow rate in cerebral a rteries were observed before and after a cupuncture at Lieque(LU7)and Chize(LU5)p oints with trans cranial Doppler ultraso HJ9 und detecting method.The result showed t hat the peak velocity of blood flow afte r acupuncture in the Lieque acupuncture group had significant change( WTBX P WTB Z <0 001)at both high and low blood flow rate.However,the blood flow rate did not have significant change( WTBX P WTBZ >0 05)in the Chize acupuncture group,and the change in the Lieque acupuncture group w...