With the aggravation of social competition and the change of living conditions, more and more college students have fallen into depression, anxiety and decadence. the number of mental illness increases sharply, and the proportion of students who have suicide experience or self-mutilation experience increases significantly. This paper will discuss the evaluation, screening and coping methods of potential psychological crisis risks of college students. This paper aims to provide several suggestions about how to effectively curb the occurrence of crisis events, protect the physical and mental safety of students as much as possible, and create a good campus environment.