This study was to investigate the influence of situational factor and individual factor on a burnout among counselors through a relation between perfectionism tendency, social support and burnout among counselors. A subjects of this study were counseling center counselors(N=237) in Korea. As the result, A factor which had effect on a burnout significantly in subject was a support of family and companion, and was an emotional support and a estimative support in type. A perfectionism tendency was not different from an experience of a burnout, but dysfunctional perfectionism counselors among perfectionism counselors was more experienced a burnout than functional perfectionism counselors. After controlling the demographic characteristics, years of counseling experience and social support, independently perfectionism tendency had effect on the burnout. Finally this study showed a significance and suggested a limit of study and the further study.