The purpose of this study is to examine the moderated mediating effect of perception of social safety and the mediating effect of satisfaction with community life on the relationship between satisfaction with childbirth·childcare social service and life satisfaction among young women. To do this, this study used the 2022 Gangwon provincial social survey data conducted by Gangwon provincial office. The sample consisted of 296 young women(20s-30s), and the data were analyzed using SPSS 21.0 and PROCESS Macro 4.2(Model 4 and Model 14). The main results of this study are as follows: First, this study found that a higher level of satisfaction with childbirth·childcare social service was associated with a higher level of life satisfaction among young women. Second, a fully mediating effect of satisfaction with community life was found on the relationship between satisfaction with childbirth·childcare social service and life satisfaction among young women. Third, the mediating effect of satisfaction with community life on the relationship between satisfaction with childbirth·childcare social service and life satisfaction was moderated by perception of social safety. Based on those study results, this study discussed practical and policy implications for enhancing life satisfaction among young women.