This study examined the effects of social support on pre-service early childhood teacher's ego-resilience. The participants were 238 pre-service early childhood teachers in Daejeon Metropolitan City and Chungnam Province. The research instruments were Social Support by Yoon(1993), and Ego-Resilience by Park(1997). Collected data were analysed by F test and Duncon's test for post hoc test, and multiple regression, and Cronbach's <TEX>${\alpha}$</TEX> for reliability by SPSS PC program(17.0 version). The results were as follows: First, There were no significant differences in social support by education term. However, there were differences between sub-factors of social support by education term. Two-year had higher scores on social support from friends than three-year. Second, there were significant differences in ego-resilience by education term. In the order of four-year, two-year, and three-year had higher scores on ego-resilience. And, there were differences between sub-factors of ego-resilience by education term. Four-year had higher scores on self-confidence than three-year and two-year. In the order of four-year, two-year, and three-year had higher scores on ego-resilience, and anger regulation. Last, social support from friend and social support from professor explained 15% of variance in pre-service early childhood teacher' ego-resilience.