The purpose of the study is to give information to gymnasts and coaches for improving athletic performance and about the possibility of medals on uneven bars in Olympics and World Championships. The uneven bars event qualifying round in 2010 Artistic World Gymnastics Championships(WC) in Rotterdam was played with 186 women’s gymnasts. And the National Sports Festival(KC) in 2011 were played with 87 women’s gymnasts. Most tried Difficulty score range is 5.0-5.4 which was used 32% of 186 gymnasts in WC and 4.5-4.9 for 30% of 87 gymnasts in KC. Most occupied Execution-score range is 7.000-7.499 which was gained for 20% of 186 gymnasts in WC and 5.000 or less for 32% of 87 gymnasts in KC. The 76% gymnasts in WC gained 6.000 or more but 69% in KC gained 6.000 or less in E-score. This study shows that Korean women’s gymnasts should try their best to reduce mistakes in performance and they need to technical strategy and coaching to improve performances in uneven bars.