The purpose of this study is to provide suggestions for teachers to carry out desirable childcare for infants and to seek support directions for infants by examining the relationship among early childhood teachers professionalism awareness, Implementing childcare in respect of infant rights, and personality strength In order to prepare basic data for promoting Implementing childcare in respect of infant rights of early childhood teachers. For this purpose, the research tools were selected according to in daycare centers in Seoul, Gyeonggi, Chungcheong and Gangwon areas., Finally, 473 copies of the collected questionnaires were used for analysis. The survey data were analyzed by reliability, descriptive statistics, correlation analysis, and regression analysis using SPSS 25.0. The results of the study showed that the Pearson correlation about the relationship among early childhood teachers professionalism awareness, Implementing respect of Infant rights, and personality strength was significantly correlated with professionalism awareness, Implementing childcare in respect of infant rights, and personality strength. In addition, the results of the study through regression analysis on the effect of the early childhood teachers professionalism awareness on the Implementing childcare in respect of infant rights through the mediation of personality strength showed that the teachers professionalism awareness directly explained 31% of the Implementing childcare in respect of infant rights, but the effect of personality strength on the Implementing childcare in respect of infant rights increased to 71%. And the total effect for verifying the partial mediating effect according to the personality strength was 52%, which proved that the personality strength was partially mediated in the effect of the early childhood teacher s professionalism awareness on the Implementing childcare in respect of infant rights. These results suggest that the higher the teachers’ professionalism awareness, the more positive the effect on the Implementing childcare in respect of infant rights and If the teacher’s personality strength is mediated, Implementing childcare in respect of infant rights can be increased. Therefore, this study provides implications for supporting measures to help teachers respect the rights of infants and support childcare by helping them understand their personality strength and recognize them positively in living with others in guiding infants with professionalism.