Some colleges need exams, such as electrical, mechanical, economic and business administration. But first, your final grade in the first semester should be very good. General colleges only push the top few majors, and the latter has no chance. Submit a written application in the first semester of freshman (notified by the college), and prepare more math and English for freshman during the holidays. Both subjects need to be tested, and then go for an interview. Try to be polite to the interviewer.
Chongqing university's success rate of changing majors.
The basic conditions for Chongqing University undergraduates to change their major (major category) are that they have not changed their major during their school years and have not been punished, and they can obtain the basic conditions for changing their major after studying for more than one semester. Students can only have one chance to change majors during their school years, and the total number of students who change majors at school shall not exceed 8% of the total enrollment in the first year.
For art students, they can only change majors in art majors, and non-art majors cannot change majors. Similarly, in the transformation of liberal arts majors, it is limited for liberal arts students to switch to science and engineering majors. For high-level athletes, national defense students, foreign language students, first-class athletes and so on. You can't change your major.
Students who successfully change majors may not return to their original majors. Students who successfully change majors, especially those who change majors in the second year, are generally required to be downgraded, and candidates' college entrance examination scores in that year are higher than the admission scores of the same provinces and cities when applying for changing majors.