Educational background, language ability, recommendation letter, personal statement, research plan and other materials.

1. educational background: the applicant should have a bachelor's degree with excellent results. Different schools and programs have different requirements for GPA, but applicants are usually required to achieve a comprehensive score of 80 or above (full score 100) at the undergraduate level.

2. Language proficiency: English is widely used in universities in Hong Kong, so applicants need to provide proof of English proficiency. Common language performance requirements include IELTS or TOEFL scores. Generally speaking, IELTS requires more than 6.5 points and TOEFL requires more than 90 points.

3. Letter of recommendation: Applying for graduate programs in Hong Kong usually requires two or three letters of recommendation from professors or tutors. The recommender should know something about the applicant's academic ability, research potential and personal qualities.

4. Personal statement: Personal statement is an important material for applicants to show their research interests, academic background and career planning to the Admissions Committee. A good personal statement should be clear and logical, and can reflect the uniqueness and research potential of the applicant.

5. Research plan: For students applying for research-oriented graduate programs, research plan is an essential part. The research plan should include research topics, research purposes, research methods and expected results.

6. Other materials: depending on the school and the project, other materials may be needed, such as transcripts, academic certificates, award-winning certificates, internship certificates, etc.