It is obvious to all that on-the-job personnel learn knowledge through on-the-job graduate students in Tsinghua. In-service postgraduate teachers in Tsinghua University are abundant and the teaching system is perfect. In Tsinghua University, in-service graduate students can not only learn knowledge, but also obtain master's degree certificates and graduation certificates.

The master's degree certificate and graduation certificate of in-service graduate students in Tsinghua have their own functions. The master's degree certificate represents the academic level of the applicant and has the same effect and legal effect as the master's degree certificate for recruiting graduate students. The master's degree certificate of in-service graduate students in Tsinghua University can be used for promotion and salary increase, evaluation of professional titles, or study abroad and study for a doctorate.

Tsinghua University's on-the-job postgraduate diploma represents the on-the-job personnel to successfully complete the on-the-job postgraduate courses. Because the on-the-job graduate students in Tsinghua are not within the scope of national academic education, the applicants can't get the graduation certificate, and the school replaces the study experience with the graduation certificate.