Objective To understand university students' mental health status and analyze its main influencing factors.Methods On the campus net,adopting SCL90,EPQ and SCSQ,carried on a questionnaire survey in 9241 university students,and then,analyzed and processed the data by SPSS 15.0 for windows. Results Nine mean scores of factors of SCL90 in university students were lower than the domestic norms of youth group(P0.01).To different groups,including different income of month,original places,constructions and atmosphere of one's family,there were sig...