Blind evaluation refers to a system of organizing expert group evaluation, that is, anonymous submission, which means that the evaluation tutor does not know who the author of the paper is. In this way, the false positive rate of scores is low, which is generally used in college marking. The blind evaluation system is to send dissertations without the author's name to experts who can't know the author for evaluation, so the score should be the most objective. General colleges and universities, especially graduate schools, have relevant regulations on blind examination of papers on a regular basis, and most of them randomly select a certain number of papers for blind examination.

External auditing refers to sending papers to experts from other units for auditing. Some schools are managed by the degree office in a unified way, while others are guided by tutors. 90% of the papers are submitted by experts appointed by the tutor.