1. Excellent academic performance: Tsinghua University is one of the top universities in China, which requires very high academic performance. Therefore, students need excellent grades in all subjects, especially the college entrance examination.

2. All-round development: Tsinghua University pays attention to cultivating students' comprehensive quality, so students need to actively participate in various extracurricular activities, such as student unions, societies and volunteers. Show your leadership and teamwork skills.

3. Scientific research experience: Tsinghua University has abundant resources and opportunities in scientific research. Students can actively participate in scientific research projects and improve their scientific research ability and innovative thinking.

4. Preparation: The entrance examination in Tsinghua University is very strict, so students need to make full preparations in advance, including reviewing the knowledge of various subjects, taking mock exams and understanding the contents and forms of the exams.

5. Good interpersonal relationship: Tsinghua University pays attention to students' interpersonal skills, and students need to establish good relationships with teachers and classmates to show their communication skills and teamwork spirit.

6. Persistent efforts: Being admitted to Tsinghua is a long-term process, which requires students to study and improve themselves persistently. Only by making enough efforts can we achieve our goal.

In short, in order to be admitted to Tsinghua, students need to work hard in academic performance, comprehensive quality, scientific research experience, preparation for exams, interpersonal relationships, etc., and maintain persistence and perseverance.