Objective: The purpose of this study was to investigate the condition of career happiness according to personal and organizational variables of childcare teachers. Methods: For this purpose, a total of 1,035 teachers were surveyed. The validity of the career happiness survey tool was examined through previous research, expert review, and factor analysis. Results: The results of the study are as follows. The individual variables influencing career happiness of childcare teachers were mainly age, and there was a difference in the career happiness of teachers over 40 years old and teachers under 29 years old. Second, the teachers at home daycare centers showed a high level of interpersonal relationships and working hours. The teachers at workplace daycare centers have a good balance between work and life, and teachers at corporate group daycare centers have a high sense of happiness about income. The childcare teacher's career happiness was generally higher than infant teachers, and the support of the assistant teacher had an effect on the career Happiness of the teachers. Conclusion/Implications: The results suggest that separate teacher support is needed to increase the career happiness of teachers according to their age and institutional variables.