The purpose of this study was to investigate the effects of internal marketing on Job satisfaction and Career Commitment the of childcare teachers. For that purpose, the study conducted a survey with 602 childcare teachers including those who participated in continuing education in the Chungbuk region and those who were in some parts of the Gyeongbuk region and Busan where the investigator resided. Collected data were analyzed with the SPSS 18.0(ver.) program. The findings were as follows: first, there were close positive correlations between internal marketing(management support, empowerment, education and training, internal communication, and reward system) and Job satisfaction and Career Commitment. Secondly, the internal marketing variables had the greatest positive influences on Job satisfaction in the descending order of education and empowerment(ß=.463, p<.001), management support(ß=.450, p<.001), internal communication(ß=.413, p<.001), training(ß=.313, p<.001), and reward system(ß=.308, p<.05). third, the internal marketing variables had the greatest positive influences on Career Commitment in the descending order of education and empowerment(ß=.572, p<.001), management support(ß=.535, p<.001), internal communication(ß=.509, p<.001), training(ß=.406, p<.001), and reward system(ß=.285, p<.05). Based on those findings, the study carried out in-depth discussions to offer basic data to reinforce internal marketing around childcare teachers.