1, the exam is difficult. Tsinghua's part-time doctor refers to Tsinghua's part-time doctor, that is, on-the-job doctor. The English required for this degree is very difficult. There is no exam syllabus, unified teaching materials, quantitative vocabulary, reading ability, writing ability and English communication ability.

2. The number of places is limited. The number of part-time doctoral students is limited, and the number of doctoral students enrolled by each tutor is 2-3, which will be very competitive, so it is necessary to choose the best candidates.