There has been a high influx of unaccompanied refugee children who have come to Sweden, the number increased particularly in 2015 compared with previous years. It is the municipalities, and therefor the social services, responsibility to provide adequate care for this children. The purpose of the study is to gain an understanding of the social services work and opportunities to meet the needs of unaccompanied children in accordance with the child's best, in relation to the convention on the rights of the child. The study is based on a qualitative approach and the method is semi-structured interviews with three managers in the field and three social workers. According to the results, social services has faced a challenge in meeting the needs of unaccompanied children in both a lack of resources such as accommodations and lack of social workers. The results also show that there are some difficulties to consider the child's best in the work with the unaccompanied children, partly to the lack of resources wich inhibits the ability to meet the child's wishes and because of differences of opinion about what is best for the child. The organisation has faced a change in order to cope with the large influx of unaccompanied children and therefore organization theory is used in the analysis. Theoretical concepts that is used in the study is discretion and street level bureaucracy due the social workers is street level bureaucracies whose work with unaccompanied children is affected by their discretion given by the organization.