The aim of this study was to examine differences in personality and negative life events between
high and low suicidal tendencies group and relation among personality, negative life events and suicidal
tendencies. More than 4000 freshmen were recruited and completed Suicidal Tendencies Questionnaire,
Adolescent Self-rating Life Events Check List and Cattell Sixteen Personality Factors Questionnaire. The
results indicated that the scores of negative personality and life events in high suicidal tendencies group
were significantly higher than those in low suicidal tendencies group; and the score of positive personality
was significant higher in low suicidal tendencies group. Secondary-level traits mental health personality
(Y1) could moderate the association between negative life events and suicidal tendencies. When the level
of Mental Health personality was higher, the relation between interpersonal relationship; academic stress;
be punished and suicidal tendencies were not significant. Students with mental health personality could
be less sensitive to negative life events.