1. Candidates lost time and money, that is, preparation time and registration fee.

It is necessary to prepare for the exam again. Every year, there will be some changes in teaching materials, and there will be changes in important and difficult points. Will increase new knowledge, learning difficulty will be improved to some extent.

3. Affect the progress of promotion and salary increase. If you fail in the exam this year, you may lose your chance of promotion until next year.

4. Occupancy of examination seats, the examination seats in each region are limited, so other candidates will arrange to take the examination in other places.