The purpose of this study is to examine the effects of child care teacher’s personality on child abuse and whether job stress is a parameter in the process of child care teacher’s personality affecting child abuse. For this purpose, 50 child care facilities in Incheon were selected and the questionnaires were conducted for teachers working there from February 10 to March 20, 2018. Among the 350 copies distributed and retrieved the 332 copies, from those copies, unchecked questionnaires with more than 5 questions were excluded. The 326 copies that were possible to analyze were used for final analysis. The data were analyzed by reliability test, descriptive statistics, t-test, one-way ANOVA, regression analysis, multiple regression analysis, and Sobel test using the SPSS 20.0 program. The result of this process is as follows. First, in the effects of childhood teacher’s personality on child abuse did not have a significant effect on child abuse. Second, in the effects of childhood teacher’s personality on job stress did not have a significant effect on child abuse. Third, in the effects of job stress on child abuse, child care activities and relationship with parents showed significant effect on child abuse