The purpose of this study was to describe the difference of weight distribution between healthy persons and low back pain patients during normal standing posture and to help the evaluation of weight bearing. 30 healthy persons and 30 low back pain patients being treated as hospitals in Taegu area participated in this study. The results were 2.63kg id the difference of weight distribution of healthy group and 3.04kg in low back pain group. This study was not significantly different between healthy and low back pain group.