Research results on the characteristics of Shen Shu (UB23) in patients with low back pain with Kidney failure type and the change of the characteristic of Shen Shu point under the effect of electro - acupuncture showed that: - Shen Shu point in the patients has temperature 31.53 ± 0.750C, current intensity is 83.36 ± 10.37 μA that is lower than healthy people whilst the skin impedance was higher than normal with 145.39 ± 18.89 k (p <0.05).