It is possible to change majors, and it will become a regular job for freshmen in the second semester of the University Academic Affairs Office. Mainly the final exam for freshmen. Freshmen learn basic courses, which are relatively common, but don't fail, as long as you don't cross batches and majors. As for the difficult problem, it is related to the number of professionals who want to go, and the overall control is 5%. If you want to transfer at the beginning of school, you'd better contact the school early to see if you can find someone who is willing to transfer majors with you, so that they can re-register in the Academic Affairs Office and report separately.