Academic level: The academic level of different universities may be different. Some top universities have more high-level research and excellent teaching resources, and their professors, students and graduate students are of higher level.

Subject setting: The subject setting of different universities may be different. Some universities are world leaders in some disciplines, but relatively weak in others. The setting of disciplines also determines the characteristics and advantages of universities.

Teaching methods: Different universities may have different teaching methods and teaching concepts. For example, some universities pay attention to theoretical teaching, some universities pay more attention to practical teaching, and some universities advocate open classroom and inquiry learning.

Characteristics of students: There may be differences among students in different universities. Some universities have more international students and students from different cultures, while others attract more local students. The background and characteristics of students will also affect the atmosphere and culture of the university.

Geographical location: Different universities are located in different geographical locations, which may have an impact on the characteristics and culture of universities. For example, universities in urban centers may pay more attention to practical teaching and contact with society, while universities in remote areas may pay more attention to academic research and discipline construction.

In short, different universities have many differences in academic level, subject setting, teaching methods, students' characteristics, geographical location and so on. Students can choose a suitable university according to their interests, professional needs and employment goals.