Tennis is one of the world's Olympic sports, and is called in English Tennis Sport. It is a type of international sport that is played by two people inside a closed court, where each of them has a racket that is held in one of the left or right hands individually. Paying attention to the problems of beginners and newcomers within the academies is no longer a luxury, but rather has become urgent and important and at the core of the academies’ work. Studying psychological, social and behavioural problems is necessary and important, and then the psychological and social adaptation of beginners within the academy. The feeling of psychological security and comfort is one of the most important rights of beginners in order to achieve enjoyment and excitement. Therefore, he becomes attached to the place and belongs to it. The trainers and officials of the academies strive to provide a good and safe environment for beginners in order to enjoy his time and benefit on the technical and social level and release excess energy. Bullying among young athletes and beginners is one of the most dangerous problems that can invade a child’s world, based on his limited experience in the ability to confront difficulties due to not having experienced them before. Parents must enrich their cultural stock on how to treat and deal with this phenomenon, so that they are prepared to deal with the situation in a thoughtful and sound manner to avoid any consequences that may result from this hostile behavior. The researcher used the descriptive approach because it is appropriate to the nature of the research and its objectives. On a sample of (187) buds under 10 years old in the academies of the governorates (Cairo - Giza - Qalyubia - Menoufia). The most important results were that the axes of the sports bullying scale were arranged as follows (electronic - verbal - social), and the axes of the aggressive behavior scale were arranged as follows (physical - verbal - hostility) for tennis beginners in general.