Objective To explore the association between child health care utilization and maternal health care among migrant child under 1-year-old,and further improve child health care utilization in migrants. Methods A community-based cross-sectional survey was conducted in Foshan city using a two phrase probability proportional sampling.Subjects were migrant mothers with child under 1-year-old.A total of 579 migrant mothers were face-to-face interviewed using a structured questionnaire.The multivariate logistic regression was used to analyze the association between child systematic management and the maternal health care utilization. Results Migrant child health care utilization:child health care rate was 89.1% while child systematic management rate was 49.2%.Maternal health care utilization:antenatal care at least one visit rate was 96.0%,antenatal care at 1^st trimester 87.5%,antenatal care at least 5 visits rate was 61.5%,institutional delivery rate was 99.7%,postpartum home visit within 28 days was 37.3% and maternal systematic management rate was 22.2%.The multivariate regression results showed that child systematic management was positively correlated with postpartum home visit and maternal systematic management respectively (OR=2.017,95%CI=1.339～3.038;OR=1.941,95%CI=1.208～3.119). Conclusions Whole course utilization of maternal and child health care service are low among migrants in Foshan city.Postpartum home visit and maternal systematic management are contributing factors of child systematic management,which remind that improving maternal health service utilization is likely to increase child health service utilization.