College students refer to students registered in universities or institutions of higher education who are receiving higher education and studying for undergraduate or postgraduate degrees. Generally speaking, the age of college students is between 18 and 25, but in some cases, the age may exceed this range. College students can include undergraduates, postgraduates and doctoral students with different educational levels. And college students refer to students who are studying in universities at the stage of higher education. At the age of 18, usually with a high school diploma or equivalent certificate, studying for undergraduate, master or doctor. Through the university education system, we will receive higher-level knowledge and skills training to prepare for future career development. At the same time, college students also undertake social responsibilities, actively participate in social activities and voluntary work, and make contributions to society.