Research Summary The effect of mobile learning using WhatsApp messages on Cognitive achievement in the judo course for female students of the Faculty of Physical Education Dr., / Samar Nabil Sebaay . The research aimed at identifying the effect of an educational program using mobile learning supported by WhatsApp messages on the cognitive achievement in the judo course, and the researcher used the experimental approach on a sample of (24) students in the third team at the Faculty of Physical Education - Zagazig University were divided into two groups, one experimental and the other control Each of them consists of (12) students, and among the research tools: a high intelligence test - a cognitive achievement test in the judo course - the educational program using mobile learning. Among the most important results: 1-The use of mobile learning supported by WhatsApp messages has a positive statistical significance at a level (0.05) on cognitive achievement (the origins and history of judo - judo law - the skill side) in the judo course. 2-The use of the learning method in the matter affects statistically positive effect at a level (0.05) on cognitive achievement (the genesis and history of judo - judo law - skill side) in the judo course. 3-Mobile learning supported by WhatsApp messages is better than the traditional method of advancing knowledge achievement in the judo course. 4-The experimental group outperformed the control group in the percentage of improvement of the dimensional dimension from the tribal in the cognitive achievement in the judo course