The purpose of this research is to examine into the relationship between the force of judo athletes` mind and the ability of games. The people researched are judo athletes as college students now in 2000. 268 students, in total, were researched in actual research, who were consisted of 150 guys and 118 girls. The method of this research was the survey report of Loehr(1982), which was changed a little for real conditions of Korea by Korea Institute Of Science. To examine the data, covariance structure analysis and multiple classification analysis were used in this research. The conclusion which comes from through all of the proceedings and analyzing data is following. There was a difference partly in the force of their mind according to the ability of games. In other words, the group of low ability of games shows prominence in controlling levels of arousing, And the group of high ability of games shows prominence ,on the contrary, in visualizing and controlling image, self - confidence, positive energy and attitudes.