| With the speeding up of industrialization and urbanization in our country, a large number of rural surplus labor forces are moving to cities. In order to earn agricultural income and wage income at the same time, semi-mobile decision has become rational choice for most peasant families. The author used qualitative research method to study parental role of semi-mobile families which are under the change of structure of double nurturing system and concentrated on the description of the role of the placed mother and the absence of fathers and analyzed the parenting stress of the mother who is the primary caregiver for children and the negative effects which are caused by the parenting stress. The first chapter is introduction which includes the research origin and the research significance, literature review, concept definition, research framework and research methods, data sources and research innovation and shortage of this paper; The main part of the article is from the second chapter to the sixth chapter, which focused on analyzing the reasons for the formation of semi-mobile families and deeply described the role of placed mother and absent father; The author analyzed parental stress and the negative effects and the social support they can gain, then put forward the corresponding intervention measures from the angle of parental guidance; The seventh chapter is conclusion which includes reflection and prospect of the research result.There are three aspects of parent role of half-flow families, which include instrumental role, educational role and affective role. From the point of instrumental role, mothers’ parenting role shows a "child care based, supplemented breadwinner" feature and the parenting role of fathers show a "main breadwinner, child care supplement" feature; In the aspect of educational role, mothers’parenting role shows the feature of "discipline children firstly, counseling children secondly" and fathers’parenting role shows the feature of "counseling children firstly, discipline children firstly"; In the aspect of affective role, mothers’parenting role presents the characteristics of "accompany their children frenquently and lack or parent-child interaction" and the interaction between father and children has a feature of "phone interaction mainly and return home to reunite supplemented". There are obvious gender differences of parents’ perception about parenting role stress and mothers feel more stress than fathers. Parents face the parenting stress from the shortage of raising human, parent-child interaction disturbance and upbringing ideas conflict with others. Parenting stress caused negative influence for half-flow families. Actually, parents can only secure the support from family members. So the limited support which parents can gain provides the favorable space for parenting counseling intervention. |