The university stage is the key period for teenagers to grow into adults.Physical exercise not only has positive impact on college students'physical health,but also has an important impact on their academic performance and social adaptability.In order to study the influence of the construction of campus sports culture on college students'physical exercise behavior,the study investigates 600 college students with literature,questionnaire,mathematical statistics and logical analysis.The results of statistics analysis show that good sports facilities,supportive sports curriculum policies and cultural atmosphere can significantly improve the frequency and duration of students'sports.Based on this,colleges and universities should improve the physical education curriculum system,regularly maintain and update the physical education facilities and resources,formulate clear sports policies,and strengthen the interaction between teachers and students,so as to ensure that the construction of campus sports culture can meet the needs of students.