The purpose of this study was to examine the impact of the communicative competence of early childhood teachers on their teaching efficacy and job satisfaction in an attempt to provide some information on the development of the communicative competence of early childhood teachers. Study results show that, first, the teaching efficacy of early childhood teachers differed according to their age, education and career level and their communicative competence differed according to their career level. Second, communicative competence had a statistically significant positive correlation with teaching efficacy and job satisfaction. Third, among the sub-factors of communicative competence, focusing attention and responding exerted a statistically significant positive influence on teaching efficacy. Among the sub-factors of communicative competence, focusing attention, analyzing and evaluating exerted a statistically significant positive influence on job satisfaction.