A lot. Official website, the Education Bureau of Guizhou Province, shows that due to the expanding demand for undergraduate thesis writing in Guizhou and the continuous extension of the industrial chain, the undergraduate thesis is too watery, and many people fail to pass the spot check. At least 25% of undergraduates spend money on the thesis. As an important symbol of students' graduation, the quality requirements of undergraduate thesis in Guizhou are relatively high. However, due to the differences of students' academic level and writing ability, as well as some students' plagiarism and other illegal behaviors, there will be a certain proportion of unqualified papers in the sampling process.