The sampling time of each undergraduate thesis varies from school to school, depending on the arrangement of the school.

The provincial education administrative department shall organize peer experts to comment on the randomly matched sampling papers and put forward their opinions. Each paper is sent to 3 peer experts, and graduation papers with more than 2 (including 2) experts' comments as "unqualified" are regarded as "problematic graduation papers".

Of the three experts, 1 expert's evaluation is "unqualified", and two experts from the same industry will be sent for re-evaluation. More than 1 experts (including 1 experts) among the two re-evaluation experts are judged as "unqualified" and will be regarded as "problematic graduation thesis".