1. Educational ideas and teaching methods: Tiantongyuan Primary School and Tsinghua Primary School have their own unique educational ideas and teaching methods. Tiantongyuan Primary School pays attention to the individualized development of students, the characteristics and needs of each student, and the cultivation of students' innovative spirit and practical ability. The primary school attached to Tsinghua pays more attention to the cultivation of students' comprehensive quality, pays attention to the interdisciplinary integration, and advocates inquiry learning and innovative thinking.

2. Teachers: Tiantongyuan Primary School and Tsinghua Affiliated Primary School have very strong teachers. Teachers in both schools have rich teaching experience and solid professional knowledge, and can provide high-quality education and teaching services for students.

3. Curriculum and teaching facilities: Tiantongyuan Primary School and Tsinghua Primary School have very rich curriculum, covering all disciplines. At the same time, both schools have advanced teaching facilities and equipment, which can provide students with good learning environment and conditions.