The current research aims to identify the forms of aggressive behavior among kindergarten children and its relationship with some variables (education level of the mother and the child's gender). A Random sample of them has been selected which reached (100) boys and girls. The results were as follows: (1) That the most prevalent forms of aggressive behavior of children were; first, the verbal aggressive behavior; second, the physical aggressive behavior; then comes the symbolic. (2) The presence of statistical indicative differences between the two genders in the forms of aggressive behavior among kindergarten children aged (5-6 years). (3) The presence of statistical indicative differences in the forms of aggressive behavior depending on the education level of the mother.