Having a doctorate or equivalent academic ability means that a person has the ability to enter the academic stage from the learning stage. The ability to produce original theoretical results or academic ability is the core connotation and the most essential feature of a doctoral degree.

Doctor is a name for graduate students who are studying for a doctorate, and it can also be used to address people who have already obtained a doctorate. Enrollment is mainly conducted through the "doctoral entrance examination" held by ordinary colleges and universities with doctoral degrees and relevant scientific research institutions with doctoral training qualifications.

Professor Chen Danqing wrote letters to the leaders of Tsinghua University, mostly criticizing the disadvantages of higher education in China and his views on postgraduate education in the art field. He put forward his own unique views on China's education system, postgraduate training and teaching syllabus.

Higher education itself is a complete scientific system with its unique concept and definition. In fact, higher education in China is imitating western universities and degree systems. For universities in New China, we are still exploring the unfamiliar western education system, and it is possible to establish higher education with China characteristics in the near future.