Changing majors requires excellent grades (above 85 points) in freshmen to qualify for transfer. Professionally, undergraduate batches are not allowed to cross batches. In other words, if you come in with two copies, you are not allowed to transfer to a number of majors in the school, such as airplanes.

In addition, basically, the number of people changing majors will not exceed 20 every year. You can check it on the website of the academic affairs office of the school. You can find all kinds of notices about changing majors by browsing the website of the Academic Affairs Office.