Objective: to characterize the work process of nurses in hemotherapy in terms of prescribed procedures, antecedent norms and real work. Method: a qualitative study, carried out from February to December 2017, in a blood center in the North of the country, involving a sample of twenty-two nurses. Methodological triangulation with data collected through semi-structured interviews, institutional documents and protocols, participant observation and notes in a field diary were used. For data treatment and analysis, the resources of the Atlas.ti 8.2.1 software (Qualitative Research and Solutions) and the fundamentals of Historical Dialectical Materialism and Ergology were used. Results: the results showed that nurses work in different activities, recreating work according to the needs of the service. The assistance, educational and managerial work permeates the activities developed and is carried out in accordance with the legislation, seeking to guarantee the donor's health, the quality of the products and transfusion safety. Conclusion: the work situations of these professionals indicate that its uses are present in their daily lives, promoting dynamism between the previous norms and the renormalizations.