One in ten girls in Indonesia experienced child marriage before the age of 18 in years 2019 which had been a national disaster and a serious implications for public health. This study aims to assess the association of child marriage on reproductive health outcomes. Retrospective data from the Indonesia Family Life Survey (IFLS5) year 2014 on 930 ever-married women aged 20-24 years with a cross sectional study design. Logistic regression was used to analyze the independent variables of child marriage to each dependent reproductive health outcomesvariable which were early fertility, adolescentchildbearing, antenatal visits, delivery by skilled personnel, modern contraception, pregnancy termination, low birth weight,and neonatal mortality. The covariate variabel in this study were education, marital status, residence, and living at outside Jawa Bali The results showed that child marriage were associated to early fertility (p = 0.01: OR = 0,4), adolescent childbearing (p = 0.01: OR = 39), and delivery by skilled personnel (p = 0.01: OR = 2.1) and child marriage werent assosiated to antenatal visit (p = 0,07: OR = 1,5), current modern contraception (p = 0.95: OR = 0,9), pregnancy termination (stillbirth and or misscarriage) (p = 0,55 : OR = 0,9 ), Low birth weight (p = 0,89: OR = 0,9 ), and neonatal mortality (p = 0,40: OR = 1,4). Child marriage were associated to a early fertility, adolescent childbearing and lower assisted delivery by skilled personnel and women who child marriage.