Objective To study migrant children's family environment character,in order to provide scientific basis for migrant children's mental intervene. 【Method】 By using cluster sampling method,1 881 children from 4 migrant children's schools and 2 council schools in Shenyang were surveyed with Family Environment Scale-CV (FES-CV) questionnaires.Results There were differences between the family environment of migrant children and resident children.The cohesion and intellectual-cultural orientation factor scores in migrant children were significantly lower than those in resident children(P<0.01).The conflict factor score in migrant children was significantly higher than that in resident children(P<0.01).The infant family environments in migrant children were higher than that in resident children (P<0.01). Conclusion The family environment of migrant children is worse and in need of improvement.