Fear of success is a new issue in human resource management which mostly happen to women. Because it is closely related to gender, many people are interested to learn. The purpose of this research is to analyze FOS and career development, and the impact of FOS on career development in working women at PT.TELKOM INDONESIA,Tbk in Bandung. This method used in this reasearch is survey method that asking 79 respondents who are women, to become an object and answer a questioner. The result shows that working women at PT.TELKOM INDONESIA,Tbk in Bandung has low fear of success. It is based on the indicator of it’s three dimentions, which are loss of feminity, loss of social self-esteem, and social rejection. The results shows that working women at PT.TELKOM INDONESIA,Tbk in Bandung has high career development. It is based on indicators of it’s two dimentions, which are career planning and career management. The result shows that impact of FOS on career development in working women at PT.TELKOM INDONESIA,Tbk in Bandung is 8,9%.