The objective of this study is to search for practical methods for instructional practice for the sake of personality education in order to prevent and deal with school bullying based on personality-education approach. This is to educate potential victims who are indirectly victimized or can also become a communal bully as well as to reduce violence of students who are directly related to school bullying. To this end, literatures related to personality education were analyzed and in-depth interview data of teacher K and researcher E who are doing their best to prevent and deal with school bullying are collected as study materials. Then, the materials were gone through the field analysis and classification analysis which were proposed by Spradley(1979) and instructional practical methods of a physical education teacher were searched for the sake of preventing and solving the school-bullying problem. The result of the study is as follow. In order to prevent and solve the school-bullying problem, first, personality education should be based on the principle of combination. Second, personality education must keep continuity. Third, personality education must regard the relationship as important. Fourth, personality education should aim the principle of autonomy. Fifth, personality education must contain actual experiences. Moreover, as for key virtues of personality-education approach for the sake of preventing and solving the school-bullying problem, consideration of others, sympathy, forgiveness and controlling anger were introduced and categorized. As for personality-education methods that should be correctly recognized and practiced by teachers for the sake of prevention of school bullying, “forming a relationship”, “introducing a method to express one’s emotion”, “proposing an assignment which befits a student’s level”, and “application of a sport personality education program” were introduced.