1. Excellent academic performance: Sun Yat-sen University, as a key university, has higher requirements for postgraduate enrollment. Applicants need to have a good academic foundation and solid professional knowledge, and usually require an average grade point average of 3.0 or above at the undergraduate level.

2. Outstanding scientific research ability: Sun Yat-sen University pays attention to cultivating students with scientific research potential, so applicants need to actively participate in scientific research projects at the undergraduate level and achieve certain scientific research results, such as publishing academic papers and participating in scientific research projects.

3. Good English: Postgraduate courses in Sun Yat-sen University are usually taught in English, so applicants need to have good English listening, speaking, reading and writing skills. It is usually required to pass CET-4 and CET-6 and reach a certain score.

4. Comprehensive quality: Sun Yat-sen University pays attention to cultivating students' comprehensive quality, including leadership, teamwork and innovation ability. Applicants need to show their comprehensive qualities in their personal statements and provide relevant supporting materials.

5. Letter of recommendation: The applicant should provide two letters of recommendation from professors or tutors, which should objectively evaluate the applicant's academic ability, scientific research potential and comprehensive quality.

6. Interview performance: Postgraduate enrollment of Sun Yat-sen University usually requires an interview, and applicants need to be fully prepared to show their academic ability and research interest.

In short, in order to be admitted to the Graduate School of Sun Yat-sen University, applicants need to have excellent academic performance, outstanding scientific research ability, good English level, comprehensive quality, relevant recommendation letters and interview results.