In order to curb the declining trend of College Students' physical fitness in recent years and the orderly development of the "Healthy China" program, this paper summarizes, summarizes and analyses the problems existing in the application of College Students' Group Sports Prescriptions in recent ten years by the method of literature review. It is found that although exercise prescription can effectively improve the physical condition of College students, the supporting management system for improving the physical fitness of college students is not yet perfect. On the other hand, aiming at the lack of preventive measures against acute and chronic sports injuries in the process of individual students' sports, this paper proposes methods and measures based on convolutional neural network in-depth learning to reduce the risk of sports injuries. In this way, it urges the improvement of the physical condition of college students and the orderly development of the measures to guarantee the physical health of the general public in our country.