Abstract: Objective: To investigate the mental health status of nursing university freshmen.Methods: Using the University Personality Inventory(UPI),the author made the research on 236 nursing university students.Results: The general mental health status of nursing university freshmen,which the intermediate were in the major,was below the level of undergraduate in the nation.63.56% nursing freshmen have psychological problems,52.97%-70.76% nurse presenced sensitivity and lack of self-confidence in cognize,more than half of the students presented tendency of neurasthenia or depression,and instability.Gender and discipline of students had no effect on the mental health.Conclusions: Being freshmen,derivable mostly from country,heavy tasks,weakness of mental education in school and the family were the influential factors which caused the low level of nursing students.By means of inquisition for freshmen,multifarious mental health education,training the correlative teachers and developing social practice,the school could reinforce the mental health of university students.