As the intervening mechanism between stress and the response to stress,coping is so important to one's mental and physical health.According to the study of stress and coping,social support is of great significance for coping.The research adopts the method of investigation and questionnaires,selecting 515 graduate students in Nanjing as subjects.Significant differences can be found in the stress of career selection between females and males.Female graduate students received higher scores in the quantity of social support,objective support,and the utilization degree of social support than male students.Subjective support and the utilization degree of social support have a significant impact on females' choice of active coping strategies.Social support can be a mediator between stress and coping.It's also important to analyze the situation of stressor,coping and social support for female students,considering the effect of culture.