The purpose of this study was to explore the effect of music rope-skipping training on the physical fitness of middle school student. Forty students participated in this study. They was divided into control group and experimental group, and each group consisted of twenty students, respectively. Experimental group participated in twelve week music rope-skipping training twice a week. Both group took pre-test before experiment and post-test after experiment, Physical fitness assessment tests consisted of long jump, shuttle run, 1600m run, and trunk flexion. The study results were followings: There was a significant difference in long jump scores between two groups. There was no significant difference in shuttle run scores between two groups. There was a significant difference in 1600m run scores between two groups. There was no significant difference in trunk flexion scores between two groups.