Reform and opening up for more than 20 years,with the rapid progress of urbanization,urban and rural population migration,especially from rural to urban floating (flow) unprecedented frequently.With the trend of floating population "family" enhanced obviously,the scale of the floating children are getting more and more serious.The paper focuses on the research of the floating children's social exclusion and acceptance,social exclusion from the aspects of social support network and two different perspective.From the social support network and puts forward the corresponding countermeasures. Reform and opening up for more than 20 years,with the rapid progress of urbanization,urban and rural population migration,especially from rural to urban floating (flow) unprecedented frequently.With the trend of floating population "family" enhanced obviously,the scale of the floating children are getting more and more serious.The paper focuses on the research of the floating children's social exclusion and acceptance,social exclusion from the aspects of social support network and two different perspective.From the social support network and puts forward the corresponding countermeasures.