Weizhong in the patients with the sciatica of kidney failure type has the skin temperature at the acupuncture point of 30.54 ± 0.750C, the amperage through the skin at the acupuncture point of 93.44 ± 10.01mA, lower than that of the normal adults (p <0.05) and after the electronic acupuncture, these indexes returned to normal values in the normal adults (p> 0.05).