Ninety percent. The pass rate of postgraduate thesis external examination is still very high, between 80% and 90%. Because graduate students' graduation thesis is completed under the guidance of their tutors, they must make some progress in scientific research during their thesis writing, thus completing their graduation thesis. The tutor is also very sure that in this process, he will guide the direction and methods of graduate research projects, so as to urge graduate students to complete and pass their graduation thesis.