According to the Notice of Lanzhou University's Full-time Undergraduate Freshmen Changing to Major in 2020 and the Management Measures of Lanzhou University's Undergraduate Changing to Major, it can be seen that universities need interviews to change majors.

Examination form: written test/interview/written test+interview/other, the specific form must be specified, interview.

Selection principle: the sorting rule of qualified list should generally be the sorting of assessment results, and the written test+interview form must indicate the weight.