Objective To investigate the current situation of compassion fatigue among nurses in Chongqing and the impact of social support and coping styles on compassion fatigue

and to provide reference for development of intervention methods.Methods A total of 920 nurses from 6 general hospitals and 2 specialized hospitals in Chongqing were surveyed using the General Survey Form

the Chinese version of the Professional Quality of Life（ProQOL）

the Simple Coping Style Questionnaire（SCSQ）and the Social Support Questionnaire（SSRS）.Results The scores in the dimensions of ProQOL were:（33.58±6.83）in satisfaction

（24.22±5.55）in secondary trauma

and（27.19±4.67）in job burnout

respectively.The proportion of high-and moderate-degree secondary were 0.8% and 60.1%

respectively;the proportions of high-and moderate-degree job burnout were 0.2% and86.0%

respectively.The scores in the dimensions of SCSQ were:（1.81±0.51）in positive coping style and（1.05±0.48）in negative coping style.The scores in the dimensions of SSRS were:（8.91±3.80）in objective social support

（23.26±4.88）in subjective social support

and（7.87±1.77）in support utilization.The total score of SSRS was（55.41±13.80）.SSRS total score

positive coping style

exercise situation

job and income satisfaction were factors that affect empathy satisfaction（P<0.05）;positive coping style

negative coping style

and workload were factors that affect secondary trauma(P<0.05;SSRS total score

positive coping style

negative coping style

health status

job and income satisfaction

and workload are factors that affect job burnout（P<0.05）.Conclusion The compassion fatigue among nurses in Chongqing is quite severe.In addition to improving the management system

reducing the workload of nurses

improving work income and job satisfaction

measures should be taken to improve nurses′coping skills and strengthen social supports

so as to reduce the incidence of compassion fatigue among nurses.