Abstract: Based on the research into the abnormal psychological phenomena among college students in the recent years,this essay is aimed to conclude several types of abnormal psychological phenomena,such as the symptoms of mental diseases, neuroses and the personality handicap,to analyze the effects brought about by such factors as biology, society and psychology.So there is much need to put forward the following preventions and measurements like forming the care-oriented educational system, improving the self-protection ability as well as building the stereo-management pattern.