Objective:The purpose of this study was to determine the characteristics of social support and its impact on the mental health of female needy students in a medical university. Methods:Stratified random sampling method was used to select 442 female needy students in a medical university of Fujian province. Symptom checklist-90(SCL-90) and Social Support Revalued Scale(SSRS) were applied to conduct the survey. Results:Statistical significance in the total score of social support and the score of external support among different level of poverty (P < 0.01) were found. While subjective social support was highly associated with mental health. Curve regressive relation exits between subjective social support,the use to social support and depression,psychopathy. Conclusion:The current financial assistant system and the psychological guidance,social support for female needy students should be improved,which is based on the perspective of sexism.