A doctoral thesis is an academic thesis written by a graduate student who is pursuing a doctoral degree. It requires the author, under the guidance of doctoral supervisor, to choose the potential research direction that he can grasp and control and open up new research fields.

It can be seen that this requires the author to have a lot of theoretical knowledge in the professional field of this discipline, and to have in-depth understanding and thinking about the theoretical knowledge of his major. At the same time, you must have a considerable level of independent scientific research ability, and be able to put forward unique opinions and valuable scientific research results in this discipline.