The purpose of this study was to investigate whether or not a treatment is effective for the patients with the chronic back pain relief between the musclotendinous junction of the pelvic and back bone. For the purpose of this study, the total number of 24 males in their 45-years and 65-years patients who complained about their back pain were radioed to each of the 12 members in the control group, stimulating the pelvic and musclotendinous of back^one in the experimental group. Measure the back pain intensity four weeks after the treatment. As aCcclusion, the treatment has been shown to be effective in improving the relief of the back pain, which relaxes the pelvic bones and the underlying joints.