The aim of the study was to determine the epidemiological and demographic distribution of patients (age, sex), number of treated children by months, distribution by type of hemophilia, presence of comorbidities, clinical manifestations of hemophilia and severity of hemophilia in relation to age of patients treated for hemophilia. for examination and treatment of hematological and oncological diseases, Institute of Maternal and Child Health “Dr. Vukan Cupic” in the period from January 1, 2020 to December 31, 2020. Hemophilia mainly occurs in the male population and is inherited through the X chromosome (X-linked inheritance). An indirect descriptive method (analysis of medical documentation) was used in the research. Patient disease protocols and case histories were used as a research tool. In relation to age, almost half of the patients (43%) were of school age (age from 7 to 15 years), and in relation to gender, 81% were boys. In relation to the type of hemophilia, most patients had Hemophilia type A was diagnosed in 17 (81%) while Christmas disease (Christmas disease) as it is also called hemophilia type B, hemophilia C (Rosenthal syndrome) and the so-called . von Willebrand’s disease were significantly less common. The most common symptom was bleeding in the joints in 15 patients (71%), and other symptoms such as bleeding into the muscles, hematuria and bleeding in the gastrointestinal tract were less common. The nurse must be specially educated and trained to work with patients with hemophilia.