Objective To investigate the relationship between reflected appraisal

self-appraisals of Big Five and mental health of college students and provide new ideas and methods to solve the mental health problems.Methods A total of 232 college students were surveyed by Symptom Check List-90（SCL-90）and Big Five Personality Inventory-44（BFI-44）and the results were analyzed statistically.Results By comparing the factor scores female students scored higher than male students on the factors of somatization

depression

anxiety

hostility

horror

neuroticism and other factors

and the difference was significant（P<0.05）.Comparing college students′factor scores of self-appraisals and reflected appraisals on BFI-44

the students scored 25.45±3.98 on extroversion

which is lower than the score of 25.98±4.49 on reflected appraisal

and the difference is significant（P<0.05）.The students scored 23.26±4.32 and 33.43±4.37 on the factors of neuroticism and openness

respectively higher than the scores of 22.44±4.01 and 32.81±4.81 on reflected appraisal

and the difference is significant（P<0.05）.By using Pearson product moment correlation to discuss the relationship between each factor of Big Five and each factor of SCL-90

it showed significant correlation between factor of extroversion on self appraisal and factor of depression on SCL-90（P<0.05）.There was significant negative correlations between agreeableness of self appraisal

reflected appraisal and depression

hostility

paranoid of SCL-90（P<0.05）.The factor of neuroticism on self appraisal

reflected appraisal had significant correlations with each factor on SCL-90 except for factors of paranoid

compulsion

interpersonal sensitivity and psychotic（P<0.05）.The factor of conscientiousness on self appraisal

reflected appraisal had significant negative correlations with each factor on SCL-90 except for factors of hostility

others and psychotic（P<0.05）.ConclusionThere is correlations between reflected appraisal of Big Five and mental health of college students.So it is necessary that colleges and universities should attach importance to the content of reflected appraisals in psychological health education and actively lead students to focus on self appraisals and reflected appraisals.