The research is considered an analytic study which aims to know different kinds of knees injuries which some students of sport faculty of tishreen university have ,and the reasons behind them and the places they occur in . The study covered the four years` students and aimed to reach preventive foundations the study courses may contain. The study also contains recommendations associated with the infrastructure in the place of training and ways of restraining lessons . The study have involved (24) scorbutics out of (930) students which is the total society of the study . The results were as follows : - The injures biggest rate is in athletics then comes the gymnasium . - The most important reasons are overheating shortage and the lack of preparation. -the given rest period is not enough as well as the period of physical treatment and the sessions number. -the absence of first aid when the injury occurs.