The sampling inspection of undergraduate graduation thesis focuses on the significance of topic selection, writing arrangement, logical structure, professional ability and academic norms. Sampling is conducted once a year, and the sampling object is the thesis awarded the bachelor's degree in the previous academic year. In principle, the sampling ratio should be no less than 2%. The provincial education administrative department adopts random sampling to determine the sampling list, and the sampling papers cover all undergraduate colleges and universities in the region and all their undergraduate majors.