1, master's degree certificate.
2. Final academic certificate.
3. Publicly published academic papers, published monographs, and proof materials of scientific research achievement awards that meet the requirements of doctoral applicants.
4. The applicant's unit introduces the applicant's resume, ideological and political performance, work achievements, scientific research achievements, professional ability, theoretical basis, professional knowledge and foreign language level to the degree-granting unit.
5 letters of recommendation from two professors or experts with the same professional and technical positions, including at least one doctoral supervisor.