The purpose of this study is to calculate the information that a teacher can adapt directly at physical learning and to inquire the influence of summary knowledge of performance in the motor lerning. This study analysis of learning and performance effect which a correct ball throwing task is concerned in the summary count of knowledge of performance. This subject of study is the one hundred right-handedness girl qttending on C elementary chool in Taegu. And they are choiced each 20 person in both a green hand and a skilled hand that group is made up eight group and have five choiced in each 1,3,6,9 time. The survey method is to use a target of 1m radius each 8m length and the ball throwing is estimated in 36 times consisting of 4 group each 9 times in a group. After 10 minutes rest the lapse of memory test become effective in 9 times again. The results of this that the summary count of knowledge of performance is in learning. : the summary sount of knowledge of performance is meaningless in acquirement step and is menaingful in the palse of memory step. Second, The learning effect is best when the experiment is performne three trials summary knowledge of performnace group in a skilled hand groups and is performed on trial summary knowledge of perfromance group in a green hand gruops. Third, The third practice is the best performance grade in a skilled hand offering the summary knowledge of performance and the forth practice is the best in a green hand. Fourth the knowledge of performance is appeared the result which a oppositive correlation appeared with being classified by times in a green hand and whole group offering the summary knowledge of performance.