Physical exercise promotes physical activity, regulates mental state, and helps to improve the psychological state of individual college students and reduce anxiety symptoms.

Randomly select 50 students from a sports college of a certain university, including 25 males and 25 females. Select 50 students from non-sports colleges, including 25 males and 25 females. The total subjects amount to 100 students. The Physical Exercise Frequency Scale and the Anxiety Self-Test Scale (SAS) were used. The exercise volume and anxiety level of college students were evaluated. The test results were statistically analyzed using SPPS23.0 software.

82% of college students in this college enjoy physical exercise. 50% of students exercise 3 times a week, 25% twice a week, and 5% once a week. 18% do not enjoy physical exercise. According to the results of the Self-Test Anxiety Scale (SAS), 95% of college students in the school do not have anxiety symptoms, 5% of students suffer from anxiety disorder, and all 5% come from non-sports students. According to the SPSS statistical results, the anxiety level of different students is P<0.05, and there is a negative correlation between the anxiety level and the frequency of physical exercise, with a P-value less than 0.05, which is statistically significant.

Most college students in this school have a positive psychological state, and there is a certain correlation between physical exercise and anxiety. Therefore, physical exercise can help alleviate anxiety symptoms by promoting mental state.

General Project of Social Science Planning in Chongqing (No. 2022NDYB198); General Project of Education Science Planning in Chongqing (No. 2022-GX-49); Chongqing Jiaotong University 2021 Education and Teaching Reform Research Key Project (No. 2102004).