This study is based on the result of 6 weeks training program with 36shooters(as test subjects) who were high school students from Seoul and Gyunggido area, which was for checking how `concentration` training affects the shooting performances and the improvement of concentration-abilities, and whether there are correlations between `concentration-abilities` and shooting performances. The study issues set for this study are as follows; Study issue I : What` s relation between shooting performance and concentration training ? Study issue Ⅱ : Would concentration affect the improvement of concentration abilities ? Study issue llI : Would concentration-abilities affect the improvement shooting performances ? Followings are the results of this study based on the abovementioned study issues. Result I : There weue meaningful differences in shooting performances between the cases guoup and the control group. Result II : There were common correlations between concentration abilities and shooting performances. With the above results, I have come to the following conclusions. Conclusion I : Concentration training makes an effect on the improvement of shooting performances. Conclusion Ⅱ : Concentration training makes an effect on the improvement of concentration abilities. Conclusion lII : There are normal correlations between shooting performa-nces and concentration abilities.