College students refer to students who are receiving or have received higher education (including undergraduate, master, doctor, etc.) in universities. According to the regulations of the Ministry of Education, university education is divided into three levels: undergraduate education, postgraduate education and doctoral education, so college students can also be divided into three levels: undergraduate education, postgraduate education and doctoral education.

Undergraduate students refer to students who receive undergraduate education, and usually need to complete four years of study and get a bachelor's degree. Graduate students refer to students who receive graduate education, and usually need to complete two years of study and get a master's degree. Doctoral students refer to students who receive doctoral education, and usually need to complete three to five years of study and get a doctorate.

Therefore, college students are a relatively broad concept, including undergraduates, master students and doctoral students at different levels.