The research aimed to identify the differences in the effect of cooperative learning on learning some theoretical and practical foundations in Judo ,and the researcher used the experimental method on a sample of (75) students in the first year of faculty op Physical education for boys -zagazig university .They were divided in to three groups one of them experimental .control group .and exploration group each of them contain (25) students .And one of the most results of the research was that the use of cooperative learning had appositive impact on the level of knowledge and skills in skills in the research .and the cooperative was more influential than the traditional method used.