Higher education stage as an important period of health education guidance, how to accurately grasp the physical health of college students, can not only accelerate the pace of education reform, but also guide students to develop good physical quality. To probe into the problems of college students' physical health, understand the current situation of college physical education, identify the main factors affecting college students' physical health, and put forward effective intervention strategies according to the requirements of practical teaching are the main topics of college education reform in the new era. On the basis of understanding the physical health status of college students and the current situation of physical education reform in colleges and universities, this paper systematically studies the physical life style and physical health status of college students by using analytic hierarchy process and multilevel correlation test, and then puts forward effective intervention strategies according to the impact of physical health and health of college students.