Based on theoretical analysis of psychological, social and educational literature pedagogical content of phenomena "socialization child of divorced parents", "pedagogical support socialization child of divorced parents" are defined in the thesis. Theoretical basics of preschool children socialization problem are analysed in the investigation; the features of preschool children socialization in families of divorced parents are distinguished. Specific features of children's life from non-full family are: firstly, in context of one of the parents' side: lacks of moral, social and material support of the part of one of the coupe; secondly, the child is subjected to social discrimination related with the absence of the father or mother; thirdly, the child is unable to observe the close and harmonious relationship between two adults that may affect on her own marital relationship in the future; fourthly, if the family consists of only from one of the parent who is of opposite gender with the child, the child in this case doesn't have possibility of gender identity. Children socialization of divorced parents is defined as the process of becoming a child's personality deprived system of social relations between members of the non-full family, which is connected with the lack of a parent communication, deformation of valuable children's personal and emotional development, complication of gaining social experience process that causes social and emotional distress, experience of being alienated attitude to people, provokes difficulties in children's entering into social environment. The criteria, indicators and levels of preschool children socialisation are determined socio-emotional, social and communicative, social and activity with corresponding indicators. The technology and educational support of preschool children socialization in families of divorced parents, which are aimed to correct deviations in the process of preschool children socialization through targeted assistance of children and their single mothers to support social and personal development of the child for further successful socialization is theoretically proved. Technology of teacher's support of preschool children socialization in families with divorced parents are developed with the age-appropriate aspect, with the family awareness of problems and includes the following phases: preoperational organizational, diagnostic and searching; correctional and social development; analytical. Leading tools of the technology implementing are identified: educational support program of socialization of children from families of divorced parents "My harmonious socio-emotional world", the program "Help to single mothers" to provide timely assistance to parents in the education and socialization of children, consolidation of efforts of all educational process. Predictable final result was increasing of socialisation older preschoolers from families of divorced parents. It is proved that the effectiveness of educational technology support socialization of preschool children in families of divorce of parents is increased by the implementation of social and educational conditions: identifying of urgent problems in children socialization living in families of divorced parents; providing organizational and conciliation of social pedagogue as a leading entity appointed process aimed at harmonizing relations and intra-psychological atmosphere in which a child is brought up and socialized; consolidation of efforts social and preschool teachers, psychologists, parents and children on the basis of dialogue, openness of social and cultural space of the educational institution. The formative stage of the experiment was provided with program "Assistance for single mothers", which was held individual sessions and activities, shared with the child. Results of the study confirmed the hypothesis underlying assumptions and allowed to make a conclusion about the effectiveness of the proposed technology of the educational support of preschool children socialization in divorced families, which is confirmed by mathematical methods of data processing.