Abstract: In recent years, many emergencies among college students occasionally occur, even growing more and more frequent. This situation not only seriously interferes with the mental and physical health of college students and the normal operation of colleges and universities, but more seriously, can endanger our country' stability and our social harmony. For this, this paper mainly probes into types of the emergencies among college students. Relying on analyzing these different types and their own frequencies, the suggestion that the establishment of warning mechanism in colleges and universities is urgent for these emergencies is given in the paper. So, to construct harmonious campus and nurture qualified graduates, especially to construct harmonious society and realize socialist modernization, a better prevention for emergencies occurred among college students to ensure their safety is indispensable.