Recent years, the country has placed sports in an important strategic position for development, and put forward red documents such as Quanming Fitness and Sports Power, which shows the important influence of sports on national nations. Under the background of the new era, especially the contemporary college students, their physical quality and cultural accomplishment play an extremely important role in the development of the Chinese Dream. Sports can strengthen muscles, bones, knowledge and will. The vigorous development of sports plays a positive role in promoting the country. The great rejuvenation of the Chinese nation is inseparable from the development of the national physique.The research object of this paper is the safety problems and risk prevention in college students' sports. The research methods are literature, expert interview, questionnaire survey and mathematical analysis to get the source of the problems and make some suggestions. At present, the safety problems of College Students' Sports emerge in endlessly, the risk accidents increase sharply, and the problems are not properly handled. College students love sports activities, but their safety awareness is weak. Sports injuries are mostly caused by personal reasons, followed by sports facilities.Most of the injured parts occur in the joints, and the body recovery after exercise is improper. It is necessary for students to strengthen the awareness of sports safety accidents, and schools should also pay attention to training students' safety knowledge and improving equipment. As for the safety problems at this stage, it is inevitable for schools to participate in sports insurance, which can not only properly deal with students' sports safety accidents.