1, to improve the accuracy of the results: college re-examination generally checks the sum of all subjects or questions, which can avoid marking mistakes and improve the accuracy of the results.

2. Targeted guidance for students: The college re-examination can get a good understanding of the learning foundation, so that students can study and guide their majors in a targeted manner.

3. It should be noted that the application procedures and regulations of different university grades are different, so students need to read the relevant regulations of the school carefully and apply as required.