The sampling inspection of undergraduate graduation thesis in Liaoning Province is determined by the provincial education administrative department in April each year by random sampling based on the sampling information platform and the local bachelor's degree awarding information. The sampling object is the thesis awarded bachelor's degree in the last academic year, and the sampling ratio should be no less than 2% in principle.

The sampling object is graduation thesis taking part in graduation defense, and the sampling number is based on the number of undergraduate graduates taking part in defense in each college, which is determined by random sampling at a ratio of not less than 10%, covering all classes in the major.