Stigmatization is a serious social problem that particularly affects vulnerable groups such as recipients of the guaranteed minimum benefit. Sociologically speaking the term stigma means that a person is ascribed discrediting characteristics that make them undesirable in society. In this thesis, the author attempts to gain a deeper insight into the attitudes of social workers towards the stigmatization of guaranteed minimum benefit recipients, identify the key factors that contribute to stigmatization and propose mechanisms to prevent and reduce the said phenomenon. The work comprised a qualitative study involving ten social workers from the Croatian Institute of Social Work, Regional Office Slavonski Brod, employees of the specialized department for children, youth and family and the specialized department for financial benefits. Using a semi-structured interview method, the research participants were asked about their attitudes towards the guaranteed minimum benefit as a form of financial support, the users of the defined cash benefit, the factors contributing to stigmatization, the obstacles in the work and the recommendations for improving the practice of working with the users of the guaranteed minimum benefit. The final results of the work show that social workers generally believe that stigmatization of guaranteed minimum benefit recipients has decreased today and is no longer present for certain individuals but is still present. With regard to possible stigmatization on the part of social workers, the majority state that they do not have stigmatizing attitudes, but that they are aware of possible prejudices and obstacles that arise when working with the aforementioned group of users. This opened up space for useful recommendations to improve the quality of work and support for users of guaranteed minimum benefits.